( 31101) 1 1

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

12 1,2,3,4,6,122 3

2 3 12

0,2,4,6 8 1,3,5,7 9

2 3

6 12 18

3

2

91

2

2

11

97 101 40 50 41,43,47