tkqcb skqc rkqcbw qkqcb pkqc

4tpc 3tpcbw 2tpcb 1tpc 0tpcbw

f3ocbw e3ocb d3oc c3ocbw b3ocb

qcocb pcoc ococbw ncocb mcoc

1lnc 0lncbw zlncb ylnc xlncbw