mcok ncok2 ocok2w pcok qcok2
b3ok2 c3ok2w d3ok e3ok2 f3ok2w
0tpk2w 1tpk 2tpk2 3tpk2w 4tpk
pkqk qkqk2 rkqk2w skqk tkqk2
ebrk2 fbrk2w gbrk hbrk2 ibrk2w