cuo2d4 duo2 euo2d fuo2d4 guo2

1kp2 2kp2d 3kp2d4 4kp2 5kp2d

qbq2d rbq2d4 sbq2 tbq2d ubq2d4

f2q2d4 g2q2 h2q2d i2q2d4 j2q2

4sr2 5sr2d 6sr2d4 7sr2 8sr2d