rkeqb4 qkeqb pkeq okeqb4 nkeqb

2tdqb 1tdq 0tdqb4 ztdqb ytdq

d3cq c3cqb4 b3cqb a3cq 92cqb4

occqb4 nccqb mccq lccqb4 kccqb

zlbqb ylbq xlbqb4 wlbqb vlbq