xxqnnk wxqnn vxqn uxqnnk txqnn
86pnn 76pn 66pnnk 56pnn 46pn
jgpn igpnnk hgpnn ggpn fgpnnk
uponnk tponn spon rponnk qponn
5ynnn 4ynn 3ynnnk 2ynnn 1ynn