0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
2
2
3
3
2
1
1
1
1
1
2
2
3
0
3
3
2
2
2
1
1
1
2
0
0
-2
-1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
3
3
2
0
0
1
1
1
1
1
1
1
1
1
1
1
2
3
1
1
0
2
3
0
3
1
0
1
4
1
3
2
1
1
0
0
0
0
0
0
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
0
0
-1
-1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
3
0
1