CHALLENGE 2735.1

(TO A.C.A.)

?\]d69$B71$*~*=h?;69$B%17I

>d71;?|51;74\@\?~%-\?~L74+;=

[+*~\?75*@%41%69d$|'%79$

B83+L=*$d87$J-\+%=*73!*69?

*?84#*+;?|81&\85'[!\71?*?9192

1799

CHALLENGE 2726.1

(BOB'S MESSAGE TO ALICE)

2618 16762139 761939 20111315

209478 191822 314-282758 2099

28872863 779459 112739605-499

03-87396969 182111 6774232822

CHALLENGE Α18Ω.1

(FOR THE EXPERTS)

79 89 87 22 75 11 87 27 11 79

99 57 64 85 23 55 79 64 35 54

24 99 27 65 24 22 73 55 15 19

88 23 22 21 46 79 21 89 98 25

62 27 49 83 21 29 26 46 69 47

18 93 87 58 58 81 81 13 92 92

95 58 14 19 19 39 37 69 62 41

26 26 68 22 34 36 36 56 52 44

CHALLENGE 0368.1.A

(BOB'S NEW MESSAGE TO YOU)

:3:1918X3 7S6X5S 1S5 8X1 6D-8G

6X1 1X8S5X5S 94/161S36D-J 6X1

8X22R5S6X8S5R5S 94/161S36D-J

7S6X5R 7S6X5R 2X60R41 7S6X5S

1919X3:3:13S-86 1X73 8X56R25R2

6R3-J 14X3959X41 4S63R43X3-J

4X250S53X19R050R-G8 17