c15rn7
d15r
e15rn
f15rn7
g15r
1r6r
2r6rn
3r6rn7
4r6r
5r6rn
qi7rn
ri7rn7
si7r
ti7rn
ui7rn7
f97rn7
g97r
h97rn
i97rn7
j97r
4z8r
5z8rn
6z8rn7
7z8r
8z8rn