B2-1 B1-1 B3-1 B3-2 B4-2 B5-3 B6-3 B7O-3 B7E-3 B8-3 B6-4 B7O-4 B7E-4 B8-4

B-A1 B-A2

1-B1 1-B2 1-B3 1-B4

2-C1 2-C2 2-C3 2-C4

3-C1 3-C2 3-C3 3-C4

4-D1 4-D2 4-D3 4-D4

5-E1 5-E2 5-E3 5-E4