XXXXXXXXXXXXXX
A1A2XXXXXXA6A7
B1B2B3B4B5B6B7
C1C2C3C4C5C6C7
D1D2D3D4D5D6D7
XXE2E3XXE5E6XX

9-12-6-12-6-12-9

これでほぼ完成かな