12
12
12
0
0
0
0
0
2
2
2
0
0
0
0
0
2
2
2
0
0
0
0
0
2
2
2
0
0
0
0
0
2
2
2
0
0
0
0
0
2
2
2
0
0
0
0
0
2
2
2
0
0
0
0
0
10
10
10
0
0
0
0
0
2
2
2
0
0
0
0
0
2
2
2
0
0
0
0
0
2
2
2
0
0
0
0
0
2
2
2
0
0
0
0
0
2
2
2
0
0
0
0
0
2
2
2
0
0
0
0
0
2
2
2
0
0
0
0
0
2
2
2
0
0
0
0
0
2
2
2
0
0
0
0
0