x
x3
x5
x5
x5
x5
x5
x5
1 |
0
x5
x5
1 |
0
1 |
0
x5
x5
x5
x5
x5
x5
x5
0 |
1
x5
x5
x5
x5
x5
2 |
1
x5
x5
x5
x5
x5