tcobg scob rcobgi qcobg pcob

4lnb 3lnbgi 2lnbg 1lnb 0lnbgi

fvmbgi evmbg dvmb cvmbgi bvmbg

q4lbg p4lb o4lbgi n4lbg m4lb

1dlb 0dlbgi zdlbg ydlb xdlbgi