motif
A , B, C , D, E, F , G , H , J , K, L , M , N, O , P, BC , BF, BM, BO , BT, AA, AB, AC , AD, AG , AH , AJ , AK, CA, CB, CE, CJ, CM, CN, CO, CP, DA, DB, DC, DD , DE, DF, HV , DG , HD, HE, HF, HG , HJ, HL , HM, HQ, HU, HA, HB , HC , HK , HN , HO, HP , HR
