wptb2 vptb uptb27 tptb2 sptb

7ysb 6ysb27 5ysb2 4ysb 3ysb27

i8rb27 h8rb2 g8rb f8rb27 e8rb2

thrb2 shrb rhrb27 qhrb2 phrb

4qqb 3qqb27 2qqb2 1qqb 0qqb27