x7d4r6 w7d4r v7d4 u7d4r6 t7d4r
8gd4r 7gd4 6gd4r6 5gd4r 4gd4
jqc4 iqc4r6 hqc4r gqc4 fqc4r6
uzb4r6 tzb4r szb4 rzb4r6 qzb4r
58a4r 48a4 38a4r6 28a4r 18a4