1kp2 2kp2b 3kp2bx 4kp2 5kp2b

qbq2b rbq2bx sbq2 tbq2b ubq2bx

f2q2bx g2q2 h2q2b i2q2bx j2q2

4sr2 5sr2b 6sr2bx 7sr2 8sr2b

tjs2b ujs2bx vjs2 wjs2b xjs2bx