9s7rb5
8s7rb
7s7r
6s7rb5
5s7rb
k26rb
j26r
i26rb5
h26rb
g26r
vb6r
ub6rb5
tb6rb
sb6r
rb6rb5
6k5rb5
5k5rb
4k5r
3k5rb5
2k5rb
hu4rb
gu4r
fu4rb5
eu4rb
du4r