SAMPLE PUZZLES

TH

CHALLENGEPHILIPPINESUDOKU SUPER

TH

CHALLENGEPHILIPPINESUDOKU SUPER

a proud member of

in cooperation with

Sudoku Whizkid Sudoku Wizard Sudoku Grandmaster(Grades 1 - 6) (Grades 7 - 12) (College / Professional Level)

FUTOSHIKI (5 pts.)Place 1 to 5 once in each into every row and column while obeying the inequality signs. Greater than (>) signs between some cells indicate that the value in one cel is greater than that in another as indicated by the sign. The sign always points towards the smaller nuumber.

DIAGONAL SUDOKU (10 pts.)Fill in the grid so that every row, every column, and every 3×3 box, and the two main diagonals contains the digits 1 to 9.

1

2

FUTOSHIKI SUDOKU Instructions § Place 1 to 5 once each into every row and column while

obeying the inequality signs. § Greater than (>) signs between some cells indicate that the

value in one cell is greater than that in another as indicated by the sign. The sign always point towards the smaller number.

ODD SUDOKU Instructions § Place a digit from 1 to 9 into each of the empty squares

so that each digit appears exactly once in each of the rows, columns and the nine outlined 3 × 3 regions. The grey squares must contain odd digits.

EVEN SUDOKU Instructions § Place a digit from 1 to 9 into each of the empty squares so that

each digit appears exactly once in each of the rows, columns and the nine outlined 3 × 3 regions. The grey squares must contain even digits.

4 5 3

2 5 1 3 4

1 3 4 2 5

3 4 5 1 2

5 2 3 4 1

4 1 2 5 3

2 5 1 3 4

1 3 4 2 5

3 4 5 1 2

5 2 3 4 1

3 4 2 5 1

1 5 4 3 2

2 3 1 4 5

5 1 3 2 4

4 2 5 1 3

1 4 7 9 8 7

9 2 7 6 1 2 5 9 4 4 6 2

5 9 3

1 2 5 8 9 4 3 6 7 6 9 7 3 5 1 4 8 2 3 4 8 6 7 2 9 5 1 9 1 4 2 8 7 5 3 6 8 5 6 4 1 3 2 7 9 2 7 3 5 6 9 8 1 4 7 3 2 1 4 8 6 9 5 4 6 9 7 3 5 1 2 8 5 8 1 9 2 6 7 4 3

5 3 6 5 1 6 2 1

3 5 2 1 5 2 9 8

5 1 7 4 2 3 8 6 9 2 3 8 6 9 7 1 5 4 9 4 6 1 8 5 7 3 2 4 6 2 5 3 8 9 7 1 1 7 5 2 6 9 4 8 3 3 8 9 7 1 4 5 2 6 6 9 3 8 7 1 2 4 5 8 5 1 3 4 2 6 9 7 7 2 4 9 5 6 3 1 8

7 6 3 2 3 7 6 1 1 3 9 1 7 4 6 6 5

8 6 2 9 5 2 6 2 5 9 4

4 7 6 8 9 1 3 2 5 3 9 2 7 5 6 4 8 1 1 5 8 2 3 4 7 6 9 5 1 3 6 8 9 2 7 4 7 8 4 1 2 5 6 9 3 2 6 9 7 8 9 1 5 8 8 4 1 9 6 7 5 3 2 9 3 7 5 4 2 8 1 6 6 2 5 8 1 3 9 4 7

7 8 1 9 3 6 3 1 9 8 8 7 4 9 6 5

3 6 9 5 4 2 7 8 1 5 1 2 7 6 8 3 9 4 8 7 4 9 1 3 6 5 2 2 9 7 8 3 4 1 6 5 6 4 3 1 5 9 8 2 7 1 8 5 2 7 6 9 4 3 4 5 8 3 9 7 2 1 6 9 3 1 6 2 5 4 7 8 7 2 6 4 8 1 5 3 9

1 7 4 8 9 2 6 3 5

5 3 9 6 1 7 8 2 4

8 2 6 3 4 5 9 1 7

9 8 2 7 3 1 5 4 6

7 4 3 5 8 6 2 9 1

6 5 1 4 2 9 3 7 8

2 1 7 9 5 8 4 6 3

4 6 8 2 7 3 1 5 9

3 9 5 1 6 4 7 8 2

DIAGONAL SUDOKU Instructions § Standard sudoku rules apply. In addition, the

digits within the two main diagonals also contain the numbers 1 to 9.

ODD DIAGONAL SUDOKU Instructions

3

4

STANDARD SUDOKU (10 pts.)Fill in the grid so that every row, every column, and every 3×3 box contains the digits 1 to 9.

CONSECUTIVE SUDOKU (10 pts.)Standard Sudoku rules apply. If a bar is given between two adjacent cells, then the two numbers put in those cells must be consecutive. If a bar is not given, the two digits cannot be consecutive.

SUDOKU Easy As ABC Sudoku Answer: Instructions § Place the letters A, B and C exactly once each

into every row and column of cells inside the grid. Two cells in each row or column will therefore be empty.

§ Letters outside the grid indicate which letter appears closest to that end in the clue’s row or column.

STANDARD SUDOKU Instructions § Fill in the grid so that every row, every

column, and every 3×3 box contains the digits 1 to 9.

3 8 9 7 1 4 3 6 5 1 2 6 3

6 9 5 8 2 1 7 9

2 1 3 7 5 4 4 2 3 5 7 6 7 4 5

5 6 1 9

A B A B C A C C B B C C B B A C A B C A

A B A B C A A B C C C C A B B B B A C C C C A B B B B C A A C A B C A

A C C A B C C A B C C B A

A A C B B C A B C A

2 3 1 2 5 9 6 7 4 7 9 2 6 4 8 1 5 3 4 5 6 3 1 7 8 2 9 3 8 7 4 2 6 5 9 1 6 2 9 1 8 5 3 4 7 5 1 4 7 9 3 2 8 6

1 7 5 8 3 4 9 6 2 9 6 3 5 7 2 4 1 8 2 4 8 9 6 1 7 3 5

3 6 4 8 5 9 2 1 7 8 2 1 4 7 3 6 9 5 7 5 9 1 2 6 4 3 8 6 9 5 3 4 7 8 2 1 4 8 7 5 1 2 9 6 3 2 1 3 9 6 8 7 5 4 9 4 8 2 3 5 1 7 6 1 3 6 7 9 4 5 8 2 5 7 2 6 8 1 3 4 9

CONSECUTIVE SUDOKU Instructions § Fill in the grid so that every row, column and 3 × 3 box

contains the digits 1 through 9. If a bar is given between two adjacent cells, then the two numbers put in those cells must be consecutive. If a bar is not given, the two digits cannot be consecutive.

OUTSIDE SUDOKU Instructions

1 4

5 8 3 9 7 5 4 7 3

1 2 3 4 5 6 7 8 9 4 5 6 7 8 9 3 2 1 7 8 9 3 1 2 4 5 6 5 1 4 8 3 7 9 6 2 8 3 2 6 9 4 1 7 5 9 6 7 1 2 5 8 3 4 2 7 1 5 4 3 6 9 8 3 4 5 9 6 8 2 1 7 6 9 8 2 7 1 5 4 3

6 1 3 4 8 9 5 9 8 9

2 5 6 3 4 9 1 3 4 5 7 8 7 8 9 1 2 6 2 4 5 3 7 8 9 7 6 1 2 9 1 3 9 4 5 6 1 8 9 2 4 7 3 6 7 1 5 8 2 4 5 3 6 9 5 1 8 5 1

5

6

Easy as ABC Sudoku (10 pts.)Place the letters A, B and C exactly once each into every row and column of cells inside the grid. Two cells in each row or column will therefore be empty. Letters outside the grid indicate which letter appears closest to that end in the clue’s row or column.

SHUJIKEN: HALF SHELL SUDOKU (10 pts.)Place digits from 1 to 9 in the grid such that no digits repeats in any row, column, or diagonal cell. No digits repeats in any of the three 3×3 square regions enclosed by thick border. Likewise, in any of the three triangular regions enclosed by thick border.

SUDOKU Easy As ABC Sudoku Answer: Instructions § Place the letters A, B and C exactly once each

into every row and column of cells inside the grid. Two cells in each row or column will therefore be empty.

§ Letters outside the grid indicate which letter appears closest to that end in the clue’s row or column.

STANDARD SUDOKU Instructions § Fill in the grid so that every row, every

column, and every 3×3 box contains the digits 1 to 9.

3 8 9 7 1 4 3 6 5 1 2 6 3

6 9 5 8 2 1 7 9

2 1 3 7 5 4 4 2 3 5 7 6 7 4 5

5 6 1 9

A B A B C A C C B B C C B B A C A B C A

A B A B C A A B C C C C A B B B B A C C C C A B B B B C A A C A B C A

A C C A B C C A B C C B A

A A C B B C A B C A

2 3 1 2 5 9 6 7 4 7 9 2 6 4 8 1 5 3 4 5 6 3 1 7 8 2 9 3 8 7 4 2 6 5 9 1 6 2 9 1 8 5 3 4 7 5 1 4 7 9 3 2 8 6

1 7 5 8 3 4 9 6 2 9 6 3 5 7 2 4 1 8 2 4 8 9 6 1 7 3 5

3 6 4 8 5 9 2 1 7 8 2 1 4 7 3 6 9 5 7 5 9 1 2 6 4 3 8 6 9 5 3 4 7 8 2 1 4 8 7 5 1 2 9 6 3 2 1 3 9 6 8 7 5 4 9 4 8 2 3 5 1 7 6 1 3 6 7 9 4 5 8 2 5 7 2 6 8 1 3 4 9

8 9 3 1

4 2 9 5

1 7 8 9 4 9 5 2 7 6 4

8 5 6 2 9 3 3 1 6 5 4 2 9 1 7 7 8 5 6 3 2 1 3 2 7 8 4 9 6 4 8 3 9 5 2 1 9 5 7 2 6 1 3 8 4

9 9 8 6 3 7 2 1 4 6 3 9 2 7 5 5 4 6 9 8 4 7 8 1 3 5 6 3 1 2 7 8 4 3 5 2 8 5 9 2 6 7 4 1 1 4 6 3 5 1 9 8 7 2 A B C D E F G H I

SUJIKEN: HALF SHELL SUDOKU Instructions Place digits from 1 to 9 in the grid such that § No digit repeats in any row, column or

diagonal § No digit repeats in any of the three 3 × 3

square regions enclosed by thick borders. § No digit repeats in any of the three

triangular regions enclosed by thick borders.

TRIDOKU Instruction § The numbers 1 – 9 must be placed in each of the

nine large triangles in the puzzle. § The numbers 1 – 9 must be placed in each of the

three legs of the inner shaded triangle. § The numbers 1 – 9 must be placed in each of the

three legs of the outer shaded triangle. § No numbers can be repeated within any small

hexagon.

8

463 97 5 8216 7 6932

4 69 1 2 5 8 3 79 1 24 51 78 35 43 5 6 7 8 3

942

1 5687 4 9 21

276 841 3 9 5

6 9 2 185347

735 1246 8 9

8

3 956 7

49 3 79 41 5

892641

2

4 3 9

647

5 18

1 2345 6 7 9

8

8 7 2 4 361

59

45 32

9 1 7 6 8 3 9 2 1 6478

5

4 8 5 9 21 3 67

693 2

17 4 8 5

14 5 9

782 3 6

4 6 5 7 9128

3 9 6 8 4 1725

3

7

8

DIAGONAL ODD SUDOKU (15 pts.)Fill in the grid so that every row, every column, and every 3×3 box, and the two main diagonals contains the digits 1 to 9. Additionally, the grey cells should only contain odd numbers.

EVEN SUDOKU (15 pts.)Fill in the grid so that every row, column, and 3×3 box contains the digits 1 through 9. The grey cells should only contain odd numbers.

FUTOSHIKI SUDOKU Instructions § Place 1 to 5 once each into every row and column while

obeying the inequality signs. § Greater than (>) signs between some cells indicate that the

value in one cell is greater than that in another as indicated by the sign. The sign always point towards the smaller number.

ODD SUDOKU Instructions § Place a digit from 1 to 9 into each of the empty squares

so that each digit appears exactly once in each of the rows, columns and the nine outlined 3 × 3 regions. The grey squares must contain odd digits.

EVEN SUDOKU Instructions § Place a digit from 1 to 9 into each of the empty squares so that

each digit appears exactly once in each of the rows, columns and the nine outlined 3 × 3 regions. The grey squares must contain even digits.

4 5 3

2 5 1 3 4

1 3 4 2 5

3 4 5 1 2

5 2 3 4 1

4 1 2 5 3

2 5 1 3 4

1 3 4 2 5

3 4 5 1 2

5 2 3 4 1

3 4 2 5 1

1 5 4 3 2

2 3 1 4 5

5 1 3 2 4

4 2 5 1 3

1 4 7 9 8 7

9 2 7 6 1 2 5 9 4 4 6 2

5 9 3

1 2 5 8 9 4 3 6 7 6 9 7 3 5 1 4 8 2 3 4 8 6 7 2 9 5 1 9 1 4 2 8 7 5 3 6 8 5 6 4 1 3 2 7 9 2 7 3 5 6 9 8 1 4 7 3 2 1 4 8 6 9 5 4 6 9 7 3 5 1 2 8 5 8 1 9 2 6 7 4 3

5 3 6 5 1 6 2 1

3 5 2 1 5 2 9 8

5 1 7 4 2 3 8 6 9 2 3 8 6 9 7 1 5 4 9 4 6 1 8 5 7 3 2 4 6 2 5 3 8 9 7 1 1 7 5 2 6 9 4 8 3 3 8 9 7 1 4 5 2 6 6 9 3 8 7 1 2 4 5 8 5 1 3 4 2 6 9 7 7 2 4 9 5 6 3 1 8

7 6 3 2 3 7 6 1 1 3 9 1 7 4 6 6 5

8 6 2 9 5 2 6 2 5 9 4

4 7 6 8 9 1 3 2 5 3 9 2 7 5 6 4 8 1 1 5 8 2 3 4 7 6 9 5 1 3 6 8 9 2 7 4 7 8 4 1 2 5 6 9 3 2 6 9 7 8 9 1 5 8 8 4 1 9 6 7 5 3 2 9 3 7 5 4 2 8 1 6 6 2 5 8 1 3 9 4 7

7 8 1 9 3 6 3 1 9 8 8 7 4 9 6 5

3 6 9 5 4 2 7 8 1 5 1 2 7 6 8 3 9 4 8 7 4 9 1 3 6 5 2 2 9 7 8 3 4 1 6 5 6 4 3 1 5 9 8 2 7 1 8 5 2 7 6 9 4 3 4 5 8 3 9 7 2 1 6 9 3 1 6 2 5 4 7 8 7 2 6 4 8 1 5 3 9

1 7 4 8 9 2 6 3 5

5 3 9 6 1 7 8 2 4

8 2 6 3 4 5 9 1 7

9 8 2 7 3 1 5 4 6

7 4 3 5 8 6 2 9 1

6 5 1 4 2 9 3 7 8

2 1 7 9 5 8 4 6 3

4 6 8 2 7 3 1 5 9

3 9 5 1 6 4 7 8 2

DIAGONAL SUDOKU Instructions § Standard sudoku rules apply. In addition, the

digits within the two main diagonals also contain the numbers 1 to 9.

ODD DIAGONAL SUDOKU Instructions

ODD SUDOKU (10 pts.)Fill in the grid so that every row, column, and 3×3 box contains the digits 1 through 9. The grey cells should only contain odd numbers.

OUTSIDE SUDOKU (15 pts.)Fill in the grid so that every row, column, and 3x3 box contains the digits 1 through 9. Digits are given outside of the grid, and each digit must appear in the first region (three cells) in that row/column.

9

FUTOSHIKI SUDOKU Instructions § Place 1 to 5 once each into every row and column while

obeying the inequality signs. § Greater than (>) signs between some cells indicate that the

value in one cell is greater than that in another as indicated by the sign. The sign always point towards the smaller number.

ODD SUDOKU Instructions § Place a digit from 1 to 9 into each of the empty squares

so that each digit appears exactly once in each of the rows, columns and the nine outlined 3 × 3 regions. The grey squares must contain odd digits.

EVEN SUDOKU Instructions § Place a digit from 1 to 9 into each of the empty squares so that

each digit appears exactly once in each of the rows, columns and the nine outlined 3 × 3 regions. The grey squares must contain even digits.

4 5 3

2 5 1 3 4

1 3 4 2 5

3 4 5 1 2

5 2 3 4 1

4 1 2 5 3

2 5 1 3 4

1 3 4 2 5

3 4 5 1 2

5 2 3 4 1

3 4 2 5 1

1 5 4 3 2

2 3 1 4 5

5 1 3 2 4

4 2 5 1 3

1 4 7 9 8 7

9 2 7 6 1 2 5 9 4 4 6 2

5 9 3

1 2 5 8 9 4 3 6 7 6 9 7 3 5 1 4 8 2 3 4 8 6 7 2 9 5 1 9 1 4 2 8 7 5 3 6 8 5 6 4 1 3 2 7 9 2 7 3 5 6 9 8 1 4 7 3 2 1 4 8 6 9 5 4 6 9 7 3 5 1 2 8 5 8 1 9 2 6 7 4 3

5 3 6 5 1 6 2 1

3 5 2 1 5 2 9 8

5 1 7 4 2 3 8 6 9 2 3 8 6 9 7 1 5 4 9 4 6 1 8 5 7 3 2 4 6 2 5 3 8 9 7 1 1 7 5 2 6 9 4 8 3 3 8 9 7 1 4 5 2 6 6 9 3 8 7 1 2 4 5 8 5 1 3 4 2 6 9 7 7 2 4 9 5 6 3 1 8

CONSECUTIVE SUDOKU Instructions § Fill in the grid so that every row, column and 3 × 3 box

contains the digits 1 through 9. If a bar is given between two adjacent cells, then the two numbers put in those cells must be consecutive. If a bar is not given, the two digits cannot be consecutive.

OUTSIDE SUDOKU Instructions

1 4

5 8 3 9 7 5 4 7 3

1 2 3 4 5 6 7 8 9 4 5 6 7 8 9 3 2 1 7 8 9 3 1 2 4 5 6 5 1 4 8 3 7 9 6 2 8 3 2 6 9 4 1 7 5 9 6 7 1 2 5 8 3 4 2 7 1 5 4 3 6 9 8 3 4 5 9 6 8 2 1 7 6 9 8 2 7 1 5 4 3

6 1 3 4 8 9 5 9 8 9

2 5 6 3 4 9 1 3 4 5 7 8 7 8 9 1 2 6 2 4 5 3 7 8 9 7 6 1 2 9 1 3 9 4 5 6 1 8 9 2 4 7 3 6 7 1 5 8 2 4 5 3 6 9 5 1 8 5 1

10

Rule # 1 The Large Triangle RuleThe numbers 1 – 9 must be placed in each of the nine large triangles in the puzzle.

Rule # 2 The Inner Triangle RuleThe numbers 1 – 9 must be placed in each of the three legs of the inner shaded triangle.

Rule # 3 The Outer Triangle RuleThe numbers 1 – 9 must be placed in each of the three legs of the outer shaded triangle.

Rule # 4 The Hexagon RuleNo numbers can be repeated within any small hexagon.

1

86325

1

86315

✔ ✕

9 46 3

7 1 2 8

9

8

1

5

25

7 1 8

3 5 6 4 9

2

7

3

4

6

TRICKY TRIDOKU (20 pts.) Instruction:

11

8 9 3 1

4 2 9 5

1 7 8 9 4 9 5 2 7 6 4

8 5 6 2 9 3 3 1 6 5 4 2 9 1 7 7 8 5 6 3 2 1 3 2 7 8 4 9 6 4 8 3 9 5 2 1 9 5 7 2 6 1 3 8 4

9 9 8 6 3 7 2 1 4 6 3 9 2 7 5 5 4 6 9 8 4 7 8 1 3 5 6 3 1 2 7 8 4 3 5 2 8 5 9 2 6 7 4 1 1 4 6 3 5 1 9 8 7 2 A B C D E F G H I

SUJIKEN: HALF SHELL SUDOKU Instructions Place digits from 1 to 9 in the grid such that § No digit repeats in any row, column or

diagonal § No digit repeats in any of the three 3 × 3

square regions enclosed by thick borders. § No digit repeats in any of the three

triangular regions enclosed by thick borders.

TRIDOKU Instruction § The numbers 1 – 9 must be placed in each of the

nine large triangles in the puzzle. § The numbers 1 – 9 must be placed in each of the

three legs of the inner shaded triangle. § The numbers 1 – 9 must be placed in each of the

three legs of the outer shaded triangle. § No numbers can be repeated within any small

hexagon.

8

463 97 5 8216 7 6932

4 69 1 2 5 8 3 79 1 24 51 78 35 43 5 6 7 8 3

942

1 5687 4 9 21

276 841 3 9 5

6 9 2 185347

735 1246 8 9

8

3 956 7

49 3 79 41 5

892641

2

4 3 9

647

5 18

1 2345 6 7 9

8

8 7 2 4 361

59

45 32

9 1 7 6 8 3 9 2 1 6478

5

4 8 5 9 21 3 67

693 2

17 4 8 5

14 5 9

782 3 6

4 6 5 7 9128

3 9 6 8 4 1725

3

FRAME SUDOKU (15 pts.)Fill in the grid so that every row, column, and 3×2 box contains the digits 1 through 6. Numbers outside the grid give the sum of all the digits in the adjacent 3×2 box that are in the same row or column as the number .

STANDARD SUDOKU (15 pts.)Fill in the grid so that every row, every column, and every 3×3 box contains the digits 1 to 9.

2 6 88 1 9 4

7 17 5 2

1 33 4 7

1 23 1 6 55 9 4

12

13

7 7 7 7 8 6

14 7

7 14

7 14

14 7

8 13

13 8

10 5 6 7 9 5

14

15

WORDOKU (20 pts.)Fill in the grid so that every row, every column, and every 3×3 box contains each of the given letters. When the puzzle is completed, a mystery word will be found running through the highlighted squares in the puzzle.

DIAGONAL EVEN SUDOKU (20 pts.)Fill in the grid so that every row, every column, and every 3×3 box, and the two main diagonals contains the digits 1 to 9. Additionally, the grey cells should only contain even numbers.

6 7 1 2 8

3 8 5 1 6 5 6 6 5 8 7

4 5 9 6 7 1 8 2 3 8 7 3 4 5 2 1 6 9 2 1 6 9 3 8 4 5 7 3 9 7 1 2 5 6 4 8 5 4 2 8 9 6 3 7 1 6 8 1 7 4 3 2 9 5 7 3 8 2 6 9 5 1 4 9 2 5 3 1 4 7 8 6 1 6 4 5 8 7 9 3 2

EVEN DIAGONAL SUDOKU Instructions WORDOKU Instructions § This variation works just like traditional

Sudoku, but we use letters rather than numbers. Each puzzle is accompanied by a 9-letter word and only the letters in the word can be used in puzzle.

§ Word Sudoku follows the same rules as number Sudoku, so each letter can appear only once in each block, row and column.

I L B O E Y B M Z E S E Y O E

Z B S L M E Z Y I

S I E O

M Y I S Z L E B O E O S Y I B Z M L L B Z M E O Y I S I S E B M Z L O Y Y L B O S E I Z M Z M O L Y I B S E O Z Y I L S M E B B E M Z O Y S L I S I L E B M O Y Z

M L U T I H E C N T N E U M C H I L H C I L N E U T M

I T M E C U N L H U H L M N T C E I N E C H L I M U T

E M H I U L T N C C I T N E M L H U L U N C H T I M E

S L Y Z O M B I E

6 7 1 2 8

3 8 5 1 6 5 6 6 5 8 7

4 5 9 6 7 1 8 2 3 8 7 3 4 5 2 1 6 9 2 1 6 9 3 8 4 5 7 3 9 7 1 2 5 6 4 8 5 4 2 8 9 6 3 7 1 6 8 1 7 4 3 2 9 5 7 3 8 2 6 9 5 1 4 9 2 5 3 1 4 7 8 6 1 6 4 5 8 7 9 3 2

EVEN DIAGONAL SUDOKU Instructions WORDOKU Instructions § This variation works just like traditional

Sudoku, but we use letters rather than numbers. Each puzzle is accompanied by a 9-letter word and only the letters in the word can be used in puzzle.

§ Word Sudoku follows the same rules as number Sudoku, so each letter can appear only once in each block, row and column.

I L B O E Y B M Z E S E Y O E

Z B S L M E Z Y I

S I E O

M Y I S Z L E B O E O S Y I B Z M L L B Z M E O Y I S I S E B M Z L O Y Y L B O S E I Z M Z M O L Y I B S E O Z Y I L S M E B B E M Z O Y S L I S I L E B M O Y Z

M L U T I H E C N T N E U M C H I L H C I L N E U T M

I T M E C U N L H U H L M N T C E I N E C H L I M U T

E M H I U L T N C C I T N E M L H U L U N C H T I M E

S L Y Z O M B I E

MINI IRREGULAR SUDOKU (20 pts.)Place digit from 1 to 6 into each of the empty grids so that each digit appears exactly once in every row, column and the irregularly – shaped region.

1 25 42 3

3 6

KILLER SUDOKU (20 pts.)Fill in the grid so that every row, column, and 3×3 box contains the digits 1 through 9. The sum of the cells in the cage must equal the total given in the upper left of the cage. Each digit in the cage must be unique.

KILLER SUDOKU Instruction § Standard sudoku rules apply. Additionally, place digits

so that the total of each dashed-line cage is the value given at the top-left of that cage. Digits may not be repeated within a cage.

14 8 8

8

6

13

13

7

5

13

17

12

7 1011

7 3

24

16 14

12

13

15 4

15

12

8

10

10 7

6

6 17

4

11

17

22

5 9 8 3 1 7 4 2 6 1 6 7 4 8 2 9 3 5 3 2 4 9 5 6 8 7 1 4 1 6 2 9 5 7 8 3 7 5 9 8 3 1 6 4 2 8 3 2 6 7 4 5 1 9 2 4 3 7 6 9 1 5 8 6 7 1 5 2 8 3 9 4 9 8 5 1 4 3 2 6 7

14 8 8

8

6

13

13

7

5

13

17

12

7 1011

7 3

24

16 14

12

13

15 4

15

12

8

10

10 7

6

6 17

4

11

17

22

16

17

CONSECUTIVE SUDOKU Instructions § Fill in the grid so that every row, column and 3 × 3 box

contains the digits 1 through 9. If a bar is given between two adjacent cells, then the two numbers put in those cells must be consecutive. If a bar is not given, the two digits cannot be consecutive.

OUTSIDE SUDOKU Instructions

1 4

5 8 3 9 7 5 4 7 3

1 2 3 4 5 6 7 8 9 4 5 6 7 8 9 3 2 1 7 8 9 3 1 2 4 5 6 5 1 4 8 3 7 9 6 2 8 3 2 6 9 4 1 7 5 9 6 7 1 2 5 8 3 4 2 7 1 5 4 3 6 9 8 3 4 5 9 6 8 2 1 7 6 9 8 2 7 1 5 4 3

6 1 3 4 8 9 5 9 8 9

2 5 6 3 4 9 1 3 4 5 7 8 7 8 9 1 2 6 2 4 5 3 7 8 9 7 6 1 2 9 1 3 9 4 5 6 1 8 9 2 4 7 3 6 7 1 5 8 2 4 5 3 6 9 5 1 8 5 1

ANSWER KEY

FUTOSHIKI SUDOKU Instructions § Place 1 to 5 once each into every row and column while

obeying the inequality signs. § Greater than (>) signs between some cells indicate that the

value in one cell is greater than that in another as indicated by the sign. The sign always point towards the smaller number.

ODD SUDOKU Instructions § Place a digit from 1 to 9 into each of the empty squares

so that each digit appears exactly once in each of the rows, columns and the nine outlined 3 × 3 regions. The grey squares must contain odd digits.

EVEN SUDOKU Instructions § Place a digit from 1 to 9 into each of the empty squares so that

each digit appears exactly once in each of the rows, columns and the nine outlined 3 × 3 regions. The grey squares must contain even digits.

4 5 3

2 5 1 3 4

1 3 4 2 5

3 4 5 1 2

5 2 3 4 1

4 1 2 5 3

2 5 1 3 4

1 3 4 2 5

3 4 5 1 2

5 2 3 4 1

3 4 2 5 1

1 5 4 3 2

2 3 1 4 5

5 1 3 2 4

4 2 5 1 3

1 4 7 9 8 7

9 2 7 6 1 2 5 9 4 4 6 2

5 9 3

1 2 5 8 9 4 3 6 7 6 9 7 3 5 1 4 8 2 3 4 8 6 7 2 9 5 1 9 1 4 2 8 7 5 3 6 8 5 6 4 1 3 2 7 9 2 7 3 5 6 9 8 1 4 7 3 2 1 4 8 6 9 5 4 6 9 7 3 5 1 2 8 5 8 1 9 2 6 7 4 3

5 3 6 5 1 6 2 1

3 5 2 1 5 2 9 8

5 1 7 4 2 3 8 6 9 2 3 8 6 9 7 1 5 4 9 4 6 1 8 5 7 3 2 4 6 2 5 3 8 9 7 1 1 7 5 2 6 9 4 8 3 3 8 9 7 1 4 5 2 6 6 9 3 8 7 1 2 4 5 8 5 1 3 4 2 6 9 7 7 2 4 9 5 6 3 1 8

7 6 3 2 3 7 6 1 1 3 9 1 7 4 6 6 5

8 6 2 9 5 2 6 2 5 9 4

4 7 6 8 9 1 3 2 5 3 9 2 7 5 6 4 8 1 1 5 8 2 3 4 7 6 9 5 1 3 6 8 9 2 7 4 7 8 4 1 2 5 6 9 3 2 6 9 7 8 9 1 5 8 8 4 1 9 6 7 5 3 2 9 3 7 5 4 2 8 1 6 6 2 5 8 1 3 9 4 7

7 8 1 9 3 6 3 1 9 8 8 7 4 9 6 5

3 6 9 5 4 2 7 8 1 5 1 2 7 6 8 3 9 4 8 7 4 9 1 3 6 5 2 2 9 7 8 3 4 1 6 5 6 4 3 1 5 9 8 2 7 1 8 5 2 7 6 9 4 3 4 5 8 3 9 7 2 1 6 9 3 1 6 2 5 4 7 8 7 2 6 4 8 1 5 3 9

1 7 4 8 9 2 6 3 5

5 3 9 6 1 7 8 2 4

8 2 6 3 4 5 9 1 7

9 8 2 7 3 1 5 4 6

7 4 3 5 8 6 2 9 1

6 5 1 4 2 9 3 7 8

2 1 7 9 5 8 4 6 3

4 6 8 2 7 3 1 5 9

3 9 5 1 6 4 7 8 2

DIAGONAL SUDOKU Instructions § Standard sudoku rules apply. In addition, the

digits within the two main diagonals also contain the numbers 1 to 9.

ODD DIAGONAL SUDOKU Instructions

SUDOKU Easy As ABC Sudoku Answer: Instructions § Place the letters A, B and C exactly once each

into every row and column of cells inside the grid. Two cells in each row or column will therefore be empty.

§ Letters outside the grid indicate which letter appears closest to that end in the clue’s row or column.

STANDARD SUDOKU Instructions § Fill in the grid so that every row, every

column, and every 3×3 box contains the digits 1 to 9.

3 8 9 7 1 4 3 6 5 1 2 6 3

6 9 5 8 2 1 7 9

2 1 3 7 5 4 4 2 3 5 7 6 7 4 5

5 6 1 9

A B A B C A C C B B C C B B A C A B C A

A B A B C A A B C C C C A B B B B A C C C C A B B B B C A A C A B C A

A C C A B C C A B C C B A

A A C B B C A B C A

2 3 1 2 5 9 6 7 4 7 9 2 6 4 8 1 5 3 4 5 6 3 1 7 8 2 9 3 8 7 4 2 6 5 9 1 6 2 9 1 8 5 3 4 7 5 1 4 7 9 3 2 8 6

1 7 5 8 3 4 9 6 2 9 6 3 5 7 2 4 1 8 2 4 8 9 6 1 7 3 5

3 6 4 8 5 9 2 1 7 8 2 1 4 7 3 6 9 5 7 5 9 1 2 6 4 3 8 6 9 5 3 4 7 8 2 1 4 8 7 5 1 2 9 6 3 2 1 3 9 6 8 7 5 4 9 4 8 2 3 5 1 7 6 1 3 6 7 9 4 5 8 2 5 7 2 6 8 1 3 4 9

1

4

7

2

5

8

3

6

9

SUDOKU Easy As ABC Sudoku Answer: Instructions § Place the letters A, B and C exactly once each

into every row and column of cells inside the grid. Two cells in each row or column will therefore be empty.

§ Letters outside the grid indicate which letter appears closest to that end in the clue’s row or column.

STANDARD SUDOKU Instructions § Fill in the grid so that every row, every

column, and every 3×3 box contains the digits 1 to 9.

3 8 9 7 1 4 3 6 5 1 2 6 3

6 9 5 8 2 1 7 9

2 1 3 7 5 4 4 2 3 5 7 6 7 4 5

5 6 1 9

A B A B C A C C B B C C B B A C A B C A

A B A B C A A B C C C C A B B B B A C C C C A B B B B C A A C A B C A

A C C A B C C A B C C B A

A A C B B C A B C A

2 3 1 2 5 9 6 7 4 7 9 2 6 4 8 1 5 3 4 5 6 3 1 7 8 2 9 3 8 7 4 2 6 5 9 1 6 2 9 1 8 5 3 4 7 5 1 4 7 9 3 2 8 6

1 7 5 8 3 4 9 6 2 9 6 3 5 7 2 4 1 8 2 4 8 9 6 1 7 3 5

3 6 4 8 5 9 2 1 7 8 2 1 4 7 3 6 9 5 7 5 9 1 2 6 4 3 8 6 9 5 3 4 7 8 2 1 4 8 7 5 1 2 9 6 3 2 1 3 9 6 8 7 5 4 9 4 8 2 3 5 1 7 6 1 3 6 7 9 4 5 8 2 5 7 2 6 8 1 3 4 9

8 9 3 1

4 2 9 5

1 7 8 9 4 9 5 2 7 6 4

8 5 6 2 9 3 3 1 6 5 4 2 9 1 7 7 8 5 6 3 2 1 3 2 7 8 4 9 6 4 8 3 9 5 2 1 9 5 7 2 6 1 3 8 4

9 9 8 6 3 7 2 1 4 6 3 9 2 7 5 5 4 6 9 8 4 7 8 1 3 5 6 3 1 2 7 8 4 3 5 2 8 5 9 2 6 7 4 1 1 4 6 3 5 1 9 8 7 2 A B C D E F G H I

SUJIKEN: HALF SHELL SUDOKU Instructions Place digits from 1 to 9 in the grid such that § No digit repeats in any row, column or

diagonal § No digit repeats in any of the three 3 × 3

square regions enclosed by thick borders. § No digit repeats in any of the three

triangular regions enclosed by thick borders.

TRIDOKU Instruction § The numbers 1 – 9 must be placed in each of the

nine large triangles in the puzzle. § The numbers 1 – 9 must be placed in each of the

three legs of the inner shaded triangle. § The numbers 1 – 9 must be placed in each of the

three legs of the outer shaded triangle. § No numbers can be repeated within any small

hexagon.

8

463 97 5 8216 7 6932

4 69 1 2 5 8 3 79 1 24 51 78 35 43 5 6 7 8 3

942

1 5687 4 9 21

276 841 3 9 5

6 9 2 185347

735 1246 8 9

8

3 956 7

49 3 79 41 5

892641

2

4 3 9

647

5 18

1 2345 6 7 9

8

8 7 2 4 361

59

45 32

9 1 7 6 8 3 9 2 1 6478

5

4 8 5 9 21 3 67

693 2

17 4 8 5

14 5 9

782 3 6

4 6 5 7 9128

3 9 6 8 4 1725

3

7 6 3 2 3 7 6 1 1 3 9 1 7 4 6 6 5

8 6 2 9 5 2 6 2 5 9 4

4 7 6 8 9 1 3 2 5 3 9 2 7 5 6 4 8 1 1 5 8 2 3 4 7 6 9 5 1 3 6 8 9 2 7 4 7 8 4 1 2 5 6 9 3 2 6 9 7 8 9 1 5 8 8 4 1 9 6 7 5 3 2 9 3 7 5 4 2 8 1 6 6 2 5 8 1 3 9 4 7

7 8 1 9 3 6 3 1 9 8 8 7 4 9 6 5

3 6 9 5 4 2 7 8 1 5 1 2 7 6 8 3 9 4 8 7 4 9 1 3 6 5 2 2 9 7 8 3 4 1 6 5 6 4 3 1 5 9 8 2 7 1 8 5 2 7 6 9 4 3 4 5 8 3 9 7 2 1 6 9 3 1 6 2 5 4 7 8 7 2 6 4 8 1 5 3 9

1 7 4 8 9 2 6 3 5

5 3 9 6 1 7 8 2 4

8 2 6 3 4 5 9 1 7

9 8 2 7 3 1 5 4 6

7 4 3 5 8 6 2 9 1

6 5 1 4 2 9 3 7 8

2 1 7 9 5 8 4 6 3

4 6 8 2 7 3 1 5 9

3 9 5 1 6 4 7 8 2

DIAGONAL SUDOKU Instructions § Standard sudoku rules apply. In addition, the

digits within the two main diagonals also contain the numbers 1 to 9.

ODD DIAGONAL SUDOKU Instructions

FUTOSHIKI SUDOKU Instructions § Place 1 to 5 once each into every row and column while

obeying the inequality signs. § Greater than (>) signs between some cells indicate that the

value in one cell is greater than that in another as indicated by the sign. The sign always point towards the smaller number.

ODD SUDOKU Instructions § Place a digit from 1 to 9 into each of the empty squares

so that each digit appears exactly once in each of the rows, columns and the nine outlined 3 × 3 regions. The grey squares must contain odd digits.

EVEN SUDOKU Instructions § Place a digit from 1 to 9 into each of the empty squares so that

each digit appears exactly once in each of the rows, columns and the nine outlined 3 × 3 regions. The grey squares must contain even digits.

4 5 3

2 5 1 3 4

1 3 4 2 5

3 4 5 1 2

5 2 3 4 1

4 1 2 5 3

2 5 1 3 4

1 3 4 2 5

3 4 5 1 2

5 2 3 4 1

3 4 2 5 1

1 5 4 3 2

2 3 1 4 5

5 1 3 2 4

4 2 5 1 3

1 4 7 9 8 7

9 2 7 6 1 2 5 9 4 4 6 2

5 9 3

1 2 5 8 9 4 3 6 7 6 9 7 3 5 1 4 8 2 3 4 8 6 7 2 9 5 1 9 1 4 2 8 7 5 3 6 8 5 6 4 1 3 2 7 9 2 7 3 5 6 9 8 1 4 7 3 2 1 4 8 6 9 5 4 6 9 7 3 5 1 2 8 5 8 1 9 2 6 7 4 3

5 3 6 5 1 6 2 1

3 5 2 1 5 2 9 8

5 1 7 4 2 3 8 6 9 2 3 8 6 9 7 1 5 4 9 4 6 1 8 5 7 3 2 4 6 2 5 3 8 9 7 1 1 7 5 2 6 9 4 8 3 3 8 9 7 1 4 5 2 6 6 9 3 8 7 1 2 4 5 8 5 1 3 4 2 6 9 7 7 2 4 9 5 6 3 1 8

FUTOSHIKI SUDOKU Instructions § Place 1 to 5 once each into every row and column while

obeying the inequality signs. § Greater than (>) signs between some cells indicate that the

value in one cell is greater than that in another as indicated by the sign. The sign always point towards the smaller number.

ODD SUDOKU Instructions § Place a digit from 1 to 9 into each of the empty squares

so that each digit appears exactly once in each of the rows, columns and the nine outlined 3 × 3 regions. The grey squares must contain odd digits.

EVEN SUDOKU Instructions § Place a digit from 1 to 9 into each of the empty squares so that

each digit appears exactly once in each of the rows, columns and the nine outlined 3 × 3 regions. The grey squares must contain even digits.

4 5 3

2 5 1 3 4

1 3 4 2 5

3 4 5 1 2

5 2 3 4 1

4 1 2 5 3

2 5 1 3 4

1 3 4 2 5

3 4 5 1 2

5 2 3 4 1

3 4 2 5 1

1 5 4 3 2

2 3 1 4 5

5 1 3 2 4

4 2 5 1 3

1 4 7 9 8 7

9 2 7 6 1 2 5 9 4 4 6 2

5 9 3

1 2 5 8 9 4 3 6 7 6 9 7 3 5 1 4 8 2 3 4 8 6 7 2 9 5 1 9 1 4 2 8 7 5 3 6 8 5 6 4 1 3 2 7 9 2 7 3 5 6 9 8 1 4 7 3 2 1 4 8 6 9 5 4 6 9 7 3 5 1 2 8 5 8 1 9 2 6 7 4 3

5 3 6 5 1 6 2 1

3 5 2 1 5 2 9 8

5 1 7 4 2 3 8 6 9 2 3 8 6 9 7 1 5 4 9 4 6 1 8 5 7 3 2 4 6 2 5 3 8 9 7 1 1 7 5 2 6 9 4 8 3 3 8 9 7 1 4 5 2 6 6 9 3 8 7 1 2 4 5 8 5 1 3 4 2 6 9 7 7 2 4 9 5 6 3 1 8

ANSWER KEY

10

12

15

11

13

16

14

17

6 1 3 4

8 9 5 9 8 9

2 5 6 5 2 6 1 7 8 4 9 3 3 4 91 3 4 1 3 4 2 6 9 8 7 5 5 7 87 8 9 7 8 9 5 4 3 2 6 1 1 2 62 4 5 2 4 5 9 1 6 3 8 7 3 7 86 7 8 6 7 8 3 5 4 1 2 9 1 2 91 3 9 9 1 3 8 2 7 6 5 4 4 5 61 8 9 8 9 1 6 3 5 7 4 2 2 4 73 6 7 3 6 7 4 9 2 5 1 8 1 5 82 4 5 4 5 2 7 8 1 9 3 6 3 6 9

5 1 8 5 1

8 9 3 1

4 2 9 5

1 7 8 9 4 9 5 2 7 6 4

8 5 6 2 9 3 3 1 6 5 4 2 9 1 7 7 8 5 6 3 2 1 3 2 7 8 4 9 6 4 8 3 9 5 2 1 9 5 7 2 6 1 3 8 4

9 9 8 6 3 7 2 1 4 6 3 9 2 7 5 5 4 6 9 8 4 7 8 1 3 5 6 3 1 2 7 8 4 3 5 2 8 5 9 2 6 7 4 1 1 4 6 3 5 1 9 8 7 2 A B C D E F G H I

SUJIKEN: HALF SHELL SUDOKU Instructions Place digits from 1 to 9 in the grid such that § No digit repeats in any row, column or

diagonal § No digit repeats in any of the three 3 × 3

square regions enclosed by thick borders. § No digit repeats in any of the three

triangular regions enclosed by thick borders.

TRIDOKU Instruction § The numbers 1 – 9 must be placed in each of the

nine large triangles in the puzzle. § The numbers 1 – 9 must be placed in each of the

three legs of the inner shaded triangle. § The numbers 1 – 9 must be placed in each of the

three legs of the outer shaded triangle. § No numbers can be repeated within any small

hexagon.

8

463 97 5 8216 7 6932

4 69 1 2 5 8 3 79 1 24 51 78 35 43 5 6 7 8 3

942

1 5687 4 9 21

276 841 3 9 5

6 9 2 185347

735 1246 8 9

8

3 956 7

49 3 79 41 5

892641

2

4 3 9

647

5 18

1 2345 6 7 9

8

8 7 2 4 361

59

45 32

9 1 7 6 8 3 9 2 1 6478

5

4 8 5 9 21 3 67

693 2

17 4 8 5

14 5 9

782 3 6

4 6 5 7 9128

3 9 6 8 4 1725

3

7 7 7 7 8 6

14 5 6 3 4 2 1 77 2 1 4 3 6 5 147 1 4 2 5 3 6 14

14 3 5 6 2 1 4 78 4 3 1 6 5 2 13

13 6 2 5 1 4 3 810 5 6 7 9 5

9 7 1 5 4 3 2 6 88 3 2 6 1 9 7 5 46 4 5 8 2 7 3 9 17 5 3 4 8 2 6 1 94 1 8 9 7 6 5 3 22 6 9 3 5 1 8 4 71 8 6 2 9 5 4 7 33 2 7 1 6 4 9 8 55 9 4 7 3 8 1 2 6

6 7 1 2 8

3 8 5 1 6 5 6 6 5 8 7

4 5 9 6 7 1 8 2 3 8 7 3 4 5 2 1 6 9 2 1 6 9 3 8 4 5 7 3 9 7 1 2 5 6 4 8 5 4 2 8 9 6 3 7 1 6 8 1 7 4 3 2 9 5 7 3 8 2 6 9 5 1 4 9 2 5 3 1 4 7 8 6 1 6 4 5 8 7 9 3 2

EVEN DIAGONAL SUDOKU Instructions WORDOKU Instructions § This variation works just like traditional

Sudoku, but we use letters rather than numbers. Each puzzle is accompanied by a 9-letter word and only the letters in the word can be used in puzzle.

§ Word Sudoku follows the same rules as number Sudoku, so each letter can appear only once in each block, row and column.

I L B O E Y B M Z E S E Y O E

Z B S L M E Z Y I

S I E O

M Y I S Z L E B O E O S Y I B Z M L L B Z M E O Y I S I S E B M Z L O Y Y L B O S E I Z M Z M O L Y I B S E O Z Y I L S M E B B E M Z O Y S L I S I L E B M O Y Z

M L U T I H E C N T N E U M C H I L H C I L N E U T M

I T M E C U N L H U H L M N T C E I N E C H L I M U T

E M H I U L T N C C I T N E M L H U L U N C H T I M E

S L Y Z O M B I E

6 7 1 2 8

3 8 5 1 6 5 6 6 5 8 7

4 5 9 6 7 1 8 2 3 8 7 3 4 5 2 1 6 9 2 1 6 9 3 8 4 5 7 3 9 7 1 2 5 6 4 8 5 4 2 8 9 6 3 7 1 6 8 1 7 4 3 2 9 5 7 3 8 2 6 9 5 1 4 9 2 5 3 1 4 7 8 6 1 6 4 5 8 7 9 3 2

EVEN DIAGONAL SUDOKU Instructions WORDOKU Instructions § This variation works just like traditional

Sudoku, but we use letters rather than numbers. Each puzzle is accompanied by a 9-letter word and only the letters in the word can be used in puzzle.

§ Word Sudoku follows the same rules as number Sudoku, so each letter can appear only once in each block, row and column.

I L B O E Y B M Z E S E Y O E

Z B S L M E Z Y I

S I E O

M Y I S Z L E B O E O S Y I B Z M L L B Z M E O Y I S I S E B M Z L O Y Y L B O S E I Z M Z M O L Y I B S E O Z Y I L S M E B B E M Z O Y S L I S I L E B M O Y Z

M L U T I H E C N T N E U M C H I L H C I L N E U T M

I T M E C U N L H U H L M N T C E I N E C H L I M U T

E M H I U L T N C C I T N E M L H U L U N C H T I M E

S L Y Z O M B I E

4 5 1 2 3 63 1 6 5 2 42 6 5 4 1 36 4 2 3 5 15 3 4 1 6 21 2 3 6 4 5

KILLER SUDOKU Instruction § Standard sudoku rules apply. Additionally, place digits

so that the total of each dashed-line cage is the value given at the top-left of that cage. Digits may not be repeated within a cage.

14 8 8

8

6

13

13

7

5

13

17

12

7 1011

7 3

24

16 14

12

13

15 4

15

12

8

10

10 7

6

6 17

4

11

17

22

5 9 8 3 1 7 4 2 6 1 6 7 4 8 2 9 3 5 3 2 4 9 5 6 8 7 1 4 1 6 2 9 5 7 8 3 7 5 9 8 3 1 6 4 2 8 3 2 6 7 4 5 1 9 2 4 3 7 6 9 1 5 8 6 7 1 5 2 8 3 9 4 9 8 5 1 4 3 2 6 7

14 8 8

8

6

13

13

7

5

13

17

12

7 1011

7 3

24

16 14

12

13

15 4

15

12

8

10

10 7

6

6 17

4

11

17

22