:
−1
+1
0
0
0
0
:
0
−1
+1
0
0
0
:
0
0
−1
+1
0
0
:
0
0
0
−1
+1
0
:
0
0
0
0
−1
+1
|
| −1 | +1 | 0 | 0 | 0 | 0 |
|
| 0 | −1 | +1 | 0 | 0 | 0 |
|
| 0 | 0 | −1 | +1 | 0 | 0 |
|
| 0 | 0 | 0 | −1 | +1 | 0 |
|
| 0 | 0 | 0 | 0 | −1 | +1 |