scob rcobw0 qcobw pcob ocobw0

3lnbw0 2lnbw 1lnb 0lnbw0 zlnbw

evmbw dvmb cvmbw0 bvmbw avmb

p4lb o4lbw0 n4lbw m4lb l4lbw0

0dlbw0 zdlbw ydlb xdlbw0 wdlbw