# ciphertext for Exercise 5.12

y := [12423,11524,7243,7459,14303,6127,10964,16399,
9792,13629,14407,18817,18830,13556,3159,16647,
5300,13951,81,8986,8007,13167,10022,17213,
2264,961,17459,4101,2999,14569,17183,15827,
12693,9553,18194,3830,2664,13998,12501,18873,
12161,13071,16900,7233,8270,17086,9792,14266,
13236,5300,13951,8850,12129,6091,18110,3332,
15061,12347,7817,7946,11675,13924,13892,18031]: