6tybpa 7tyb 8tybp 9tybpa auyb

vkzb wkzbp xkzbpa ykzb zkzbp

kb0bp lb0bpa mb0b nb0bp ob0bpa

910bpa a20b b20bp c20bpa d20b

ys1b zs1bp 0s1bpa 1s1b 2s1bp