Stage 2 - BCCB
Stage 3 - DQGH 
Stage 4 - HGGF
Stage 5 - NBFG
Stage 6 - KGBF
Stage 7 - QGJJ
Stage 8 - GQHG
Stage 9 - FLDP
Stage 10 - KGQQ
Stage 11 - DLGQ
Stage 12 - CBHG
Stage 13 - JBJQ
Stage 14 - PLDP
Stage 15 - LFGB
Stage 16 - DQLD
Stage 17 - CLPG
Stage 18 - DLHD
Stage 19 - LFQD