b1r5l c1r5lr d1r5 e1r5l f1r5lr

0rs5lr 1rs5 2rs5l 3rs5lr 4rs5

pit5 qit5l rit5lr sit5 tit5l

e9t5l f9t5lr g9t5 h9t5l i9t5lr

3zu5lr 4zu5 5zu5l 6zu5lr 7zu5