toi2b soi2 roi2bx qoi2b poi2

4xh2 3xh2bx 2xh2b 1xh2 0xh2bx

f7g2bx e7g2b d7g2 c7g2bx b7g2b

qgg2b pgg2 ogg2bx ngg2b mgg2

1pf2 0pf2bx zpf2b ypf2 xpf2bx