| O | X | O | X | O | X | four-block | ||
| μ = 0 | μ = 0 | μ = 3 | μ = 3 | μ = 1, 2 | μ = 1, 2 | μ = 0 | μ = 3 | μ = 1, 2 |
W1β | + | + | + | 0 | 0 | 0 |
| + | 0 |
W2α | − | − | 0 | − | 0 | 0 | ± | + | 0 |
W1α | + | + | + | 0 | 0 | 0 | ± | − | 0 |
W2β | − | − | 0 | − | 0 | 0 |
| − | 0 |