U 1 ADBCA BCDAB BCCAD DBCAD
U2 DCABB ACADC BADDB ACBCB
U3 BCADB ACDBA BCDAD ABADD
U4 DABCA BDADB DADAC BADCA
U5 DBACB DACBC DADBC ADCAC
U6 BACBA ADDCB CBCAD ABACD
U7 CBADA CDCCB ADBDA CADBB
U8 BDADC ABBCD ACABD CBACD
U9 ACBBC DBADC ADDAB CABDC
U 10 CBADA CDCBA BDDAB CABCB