3
-1
3
4
-1
1
1
5
-4
-2
1
1
1
1
2
1
3
1
1
1
2
1
1
-1
3
-2
3
-1
-2
1
-1
1
2
-1
1
1
1
-1
1
-1
-1
2
2
-1
2
2
1
1
-1
-1
