CHALLENGE 0890.3.4

B2 7Y-Y2-Y0 1J-G8 3t-5d-1s 1M-C2 9s-5r-3q-e

3t-5N-B8-i D4-7M-C2 3c-5a 1J-G8 5MG8

1a-7o-7w-5g-1s 1M-C2 9s-5r-3q-e 5M-G8 

1a-7o-7w-5g-D4 1M-G2 C6-1c 1x-a J0-J4-D4

G8-5k 9P-K2-L4-o 1M-G2 Y6-G6-Y2 

1J-D4-5d 7A-D4 7k-a 9b-7s-o 7J-G8 3r-3t-3k

D4-1t 1M-G2 N4-J0-S0-o 1M-G2 X8-G8-e

9p-e M4-K2-S0-o

CHALLENGE 0809.1

(NEW MESSAGE FROM BOB TO ALICE)   A5-A7-A10-B2-B4-B7-B9-C1-C3-C5-C8-C10-D2-D4-D6-D8-D10-E1-E3-E5-E7-E-9-F2-F4-F6-F8-F10-G1-G3-G5-G7-G9-H2-H4-H6-H8-H10-I1-I3-I5-I7-I9-J2-J4-J6-J8-J10-K2-K4-K6-K8-K10-L1-L3-L5-L7-L9-M2-M4-M6-M8-M10-N1-N3-N5-N7-N9-O2-O4-O6-O8-O10-P1-P3-P5-P7-P9-Q2-Q4...(etc)

CHALLENGE 0791.1.2

121!8:0; 1!3#1! 2:35!

121!89:3!4:19!41!9: 3!40;

4;171! 6!6:95! 0!0;9! 4:8!7:

41!9: 6!6:95! 7;7:9! 4:9!7:

3!3892:1! 3:40; 6!6:8! 0:38!

41!9: 6!6:8!7:6! 41!3:8!7:6!

15!0:7!0;8:8!7:6!

CHALLENGE 0782.1

63:1,4,6,9,35,44,65,68

70:2,24,61

65:3,13,29,38,50,71

61:5,22,30,59,72

66:7,15,20,26,52,57,63

64:8,11,27

68:10,21,45,58,66

53:12,16,23,28,32,47,49,53,60,70,74

49:14,18,31,37,40,51,55,73

58:17,41,48,54,69

57:19,33,42,56,75

72:25,62

67:34,43,67

69:36

60:39,46,64