m7c7 n7c7r o7c7r2 p7c7 q7c7r
byd7r cyd7r2 dyd7 eyd7r fyd7r2
0oe7r2 1oe7 2oe7r 3oe7r2 4oe7
pff7 qff7r rff7r2 sff7 tff7r
e6f7r f6f7r2 g6f7 h6f7r i6f7r2