FOURTH TEST CLAIMS: 4A, 11C, 14AB, 18CE, 20E, 27A, 32A, 47BC
ANSWERS:
1-10: aabba, adede; 11-20: dbdda, aaddd; 21-30: abdbb, dddcc; 31-40: ecbba, aeeaa; 41-50: bdabd, cebdb 

THIRD TEST CLAIMS: 16B, 17A, 30D, 35E, 39D
ANSWERS
1-10: cbead, cebda,  11-20: bdeea, ceaee,  21-30: acccb, ecaeb,  31-40: caddd, edabd, 41-50: cabde, deaab


SECOND TEST CLAIMS: 5ABC, 11D, 12BD, 38D, 44B, 47A
ANSWERS:
1-10: eaaed, ecbaa, 11-20: bcdde, adaaa, 21-30: edeac, eddac, 31-40: acbbe, cdcba, 41-50: dadec, eceee

FIRST TEST CLAIMS: 6B, 9C, 12B, 22A, 23BD, 26A, 31D, 32E, 33A, 41B, 42AC
ANSWERS:
01-10: dcade, accab,  11-20: ceeba, bebdd,  21-30: acecc, ceded,  31-40: aabed, aaaab,  41-50: eeeec, dccae