bu0ld cu0ldx du0l eu0ld fu0ldx
0k1ldx 1k1l 2k1ld 3k1ldx 4k1l
pb2l qb2ld rb2ldx sb2l tb2ld
e22ld f22ldx g22l h22ld i22ldx
3s3ldx 4s3l 5s3ld 6s3ldx 7s3l