res4sq qes4s pes4 oes4sq nes4s

2nr4s 1nr4 0nr4sq znr4s ynr4

dxq4 cxq4sq bxq4s axq4 9wq4sq

o6p4sq n6p4s m6p4 l6p4sq k6p4s

zfp4s yfp4 xfp4sq wfp4s vfp4