7su7 6su7tj 5su7t 4su7 3su7tj
i2t7tj h2t7t g2t7 f2t7tj e2t7t
tbt7t sbt7 rbt7tj qbt7t pbt7
4ks7 3ks7tj 2ks7t 1ks7 0ks7tj
fur7tj eur7t dur7 cur7tj bur7t