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