bxd4r cxd4r1 dxd4 exd4r fxd4r1

0ne4r1 1ne4 2ne4r 3ne4r1 4ne4

pef4 qef4r ref4r1 sef4 tef4r

e5f4r f5f4r1 g5f4 h5f4r i5f4r1

3vg4r1 4vg4 5vg4r 6vg4r1 7vg4