odpbp5 pdpb qdpbp rdpbp5 sdpb

d4pb e4pbp f4pbp5 g4pb h4pbp

2uqbp 3uqbp5 4uqb 5uqbp 6uqbp5

rlrbp5 slrb tlrbp ulrbp5 vlrb

gcsb hcsbp icsbp5 jcsb kcsbp