at7f 9s7f2s 8s7f2 7s7f 6s7f2s
l26f2s k26f2 j26f i26f2s h26f2
wb6f2 vb6f ub6f2s tb6f2 sb6f
7k5f 6k5f2s 5k5f2 4k5f 3k5f2s
iu4f2s hu4f2 gu4f fu4f2s eu4f2