x
x
5 |
12
1 |
5
3 |
4
1 |
4
x5
x5
x5
x5
x5
x5
x5
x5
x5
x5
x5
x5
x5
x5
x5
x5
x5
x4
x4
x4
x4
x4
x4
x4
x4
x3
x3
x3