0
0
2
2
0
4
2
0
1
2
2
0
0
2
2
-2
0
0
0
2
0
0
1
2
0
0
2
2
0
0
0
0
2
0
0
1
0
0
0
12
2
1
3
2
0
1
-1
1
0
0
0
0
1
0
0
0
0
0
0
0
0
1
0
1
2
2
4
0
3
1
0
0
0
0
2
4
1
0
0
7
0
0
1
0
0
2
4
4
0
1
0
1
2
0
0
0
0
0
0
1
3
4
4
3
3
3
1
3
0
1
1
2
0
0
0
0
7
2
4
3
-1
0
1
1