d13a3ad122b1da2b11242dc1a3a12100000000000000 d12a3ad1a13d23d3cb2a21ccada24d2131b440000000 314a133c4cbd142141ca424cad34c122413223ba4b40 d42a3adcacbddadbc42ac2c2ada2cda341baa3b24321 db1134dc2cb2dadb24c412c1ada2c3a341ba20000000 d1341431acbddad3c4c213412da22d3d1132a1344b1b 1ba41a21a1b2dadb24ca22c1ada2cd32413200000000 dbaa33d2a2bddadbcbca11c2a2accda1b2ba20000000     If you guessed that classroom A was the cheating classroom, con- gratulations. Here again are the answer strings from classroom A, now reordered by a computer that has been asked to apply the cheating al- gorithm and seek out suspicious patterns.       Classroom A   (With cheating algorithm applied)   1. 112a4a342cb214d0001acd24a3a12dadbcb4a0000000 2. 1b2a34d4ac42d23b141acd24a3a12dadbcb4a2134141 3. db2abad1acbdda212b1acd24a3a12dadbcb400000000 4. d43a3a24acb1d32b412acd24a3a12dadbcb422143bc0 5. d43ab4d1ac3dd43421240d24a3a12dadbcb400000000 6. 1142340c2cbddadb4b1acd24a3a12dadbcb43d133bc4 7. dba2ba21ac3d2ad3c4c4cd40a3a12dadbcb400000000     8. 144a3adc4cbddadbcbc2c2cc43a12dadbcb4211ab343 9. 3b3ab4d14c3d2ad4cbcac1c003a12dadbcb4adb40000 10. d43aba3cacbddadbcbca42c2a3212dadbcb42344b3cb 11. 214ab4dc4cbdd31b1b2213c4ad412dadbcb4adb00000 12. 313a3ad1ac3d2a23431223c000012dadbcb400000000 13. d4aab2124cbddadbcb1a42cca3412dadbcb423134bc1