x
x
4 |
2
2 |
0
1 |
1
0 |
2
0 |
1
2 |
3
1 |
0
0 |
1
x5
x5
x5
x5
x3
x3
x5
x5
x5
x5
x5
x5
x5
x4
x4
x4
x4
x3
x3
x3
x3
x3