+---------------+---------------+--------------------------------------+---+-
| | 2 4 6 8 A C E | | 1 |
| | 1 3 5 7 9 B D | | 2 |
+---------------+---------------+--------------------------------------+---+-
| | 2 4 6 8 A C E | | 1 |
| | 1 3 5 7 9 B D | | 2 |