0
2
1
4
1
2
2
0
1
-1
1
2
0
0
0
0
0
1
0
2
7
0
2
1
0
3
1
0
1
0
0
1
8
4
0
-1
2
2
1
0
1
1
1
4
1
1
1
2
3
4
6
4
4
9
8
1
1
2
0
0
0
0
1
2
1
1
2
0
0
0
1
3
1
2
0
3
1
3
2
0
0
0
0
0
1
0
1
0
0
1
0
1
0
0
0
0
2
0
1
3
0
0
1
2
1
3
0
3
-1
0
0
1
0
1
0
0
1
0
0
0
0
0
1
1