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19 TH NATIONAL CIPHER CHALLENGE TINKER TAILOR TOURIST SPY 4Y _SP WPLO `[ _Z BB44 _SP -]T_T^S TY_PWWTRPYNP ^P]aTNP^ bP]P ʮZZOPO bT_S ]P[Z]_^ ZQ 9LeT ^[TP^ LYO ^dX[L_ST^P]^ BT_S bL] QL^_ L[[]ZLNSTYR LYO WTXT_PO ]P^Z`]NP^ _SP _L^V ZQ aP__TYR LWW _SP^P ]P[Z]_^ bL^ [L^^PO _Z L ʮPORWTYR ^PN`]T_d Z]RLYT^L_TZY VYZbY L^ -:>> ,^ L YPb ]PN]`T_ dZ` L]P RTaPY _SP UZM ZQ OPNZOTYR _SP ^PN]P_ XP^^LRP^ _SL_ bTWW Pc[Z^P _SP PYPXd LRPY_^ It is a race against time and your country needs you … The School of Mathematical Sciences presents =PRT^_]L_TZY LYO []LN_TNP ]Z`YO Z[PY^% YO :N_ZMP] .ZX[P_T_TZY ^_L]_^% _S 9ZaPXMP] cipherchallenge.org

19 NATIONAL CIPHER CHALLENGE TOURIST SPY · 2020. 11. 5. · 19th national cipher challenge tinker tailor tourist spy 4y _sp wplo `[ _z bb44 _sp -]t_t^s ty_pwwtrpynp ^p]atnp^ bp]p

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Page 1: 19 NATIONAL CIPHER CHALLENGE TOURIST SPY · 2020. 11. 5. · 19th national cipher challenge tinker tailor tourist spy 4y _sp wplo `[ _z bb44 _sp -]t_t^s ty_pwwtrpynp ^p]atnp^ bp]p

19TH NATIONAL CIPHER CHALLENGE

TINKER TAILOR TOURIST SPY4Y�_SP�WPLO�`[�_Z�BB44�_SP�-]T_T^S�TY_PWWTRPYNP�^P]aTNP^�bP]P�ʮZZOPO�bT_S�]P[Z]_^�ZQ�9LeT�^[TP^�LYO�^dX[L_ST^P]^��BT_S�bL]�QL^_�L[[]ZLNSTYR�LYO�WTXT_PO�]P^Z`]NP^�_SP�_L^V�ZQ�aP__TYR�LWW�_SP^P�]P[Z]_^�bL^�[L^^PO�_Z�L�ʮPORWTYR�^PN`]T_d�Z]RLYT^L_TZY�VYZbY�L^�-:>>��,^�L�YPb�]PN]`T_�dZ`�L]P�RTaPY�_SP�

UZM�ZQ�OPNZOTYR�_SP�^PN]P_�XP^^LRP^�_SL_�bTWW�Pc[Z^P�_SP�PYPXd�LRPY_^�� It is a race against time and your country needs you …

The School of Mathematical Sciences presents

=PRT^_]L_TZY�LYO�[]LN_TNP�]Z`YO�Z[PY^%���YO�:N_ZMP] .ZX[P_T_TZY�^_L]_^%� _S�9ZaPXMP]

cipherchallenge.org