mcqk ncqkr ocqkrb pcqk qcqkr
b3qkr c3qkrb d3qk e3qkr f3qkrb
0trkrb 1trk 2trkr 3trkrb 4trk
pksk qkskr rkskrb sksk tkskr
ebtkr fbtkrb gbtk hbtkr ibtkrb