6
5
4
3
5
4
7
6
8
8
8
13
10
7
5
8
8
10
12
9
6
8
9
9
9
10
11
11
9
6
5
2
2
1
2
0
-1
0
0
0
0
-1
-2
-1
-1
0
0
1
2
2
1
1
0
0
0
0
0
1
2
5
3
1
0
0
0
0
0
1
3
3
2
1
0
0
1
1
0
1
0
0
0
0
0
-1
-1
0
0
2
2
0
-1
0
0
0
0
1
1
1
0
0
0
0
-1
0
0
-1
-1
0
0
1
0
0
0
1
1
1
1
1
-1
0
0
0
0
0
1
1
1
1
0
0
0
0
0
-1
-1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
-1
-2
-1
0
-1
0
0
-1
-1
-1
0
0
-2
-2
-2
-1
0
0
0
0
-2
-1
-3
-3
-3
-3
-2
-2
-2
-2
-2
-2
-1
0
0
0
0
-1
-2
0
2
0
0
1
0
1
1
2
2
2
2
2
2
0
3
3
-1
0
6
7
7
9
4
8
7
9
11
11
13
14
17
6
6
6
6