CHALLENGE 2915.1

(TO A.C.A.)

471.9 6.6 4.0 29 8.3 4.3.6.8.7.0.7.8.75.3

6818.4 0.7.1 1.789.787 14.0 9.7.1 73.9

314 0.7611.77 313.1.77 46 9.75.14.7.3.0.0

9,5.181 46 8.3 2787 0.9,5.3 0.7.1 316.0

1.7.89.7.2 65.567.5.6

CHALLENGE 0539.E.E.1

(BOB TO EXPERTS)

38-80-04-51-11-5-77 3-38-5 3-52-04-4-77-D

10-4-1,15 77-5-11-52-80-48-91 3-52-04-11-4-D-1,15 4-8-60-75-99 16-5-99 35-52 10-52-04-4-77-D 10-4-1,15 77-5-11 52-80-48-77 35-52 10-52-04-11-4-D-1,15

CHALLENGE 0521.1.2

(BOB TO EXPERTS)

1-44-64-41 51 41-5 95-01 95-52-64-96-53-1

56-81 53-66-51-52-44-46-5 95-52-64-51-96-31

96-54-96-63-9 42-66-44-9 62-1 56-52-64-96-53-1

56-8 53-66-51-52-44-46-5 62-1 56-52-64-51-96-31 96-93-92-63-31-2 93-52-4 56-81 41-44-7

91-52-62-2 42-46-64-2 43-52-6 56-93-81-4

01421 52-44-4 62-96-4-45-2 2-53-42-52-51-96-44-46-64-8 65-93-52-66-62-2

CHALLENGE 2897.2

(BOB TO HIGH LEVEL CRYPTOGRAPHERS ALL OF THE  WORLD )

8L7C2257C3 28D7L46C42 9M61146B77

C326C11516 C118L7C221 28D326D216

C48C8L8D8Q 6L8S7F88S 116C427C8L

2358117L22