4 100 1
-13
7
-14
8
-11
15
2
2
-1
9
1
7
13
-9
12
-7
-3
3
12
-1
-11
-15
4
-15
11
-1
-10
11
6
-15
-8
5
7
-8
-5
11
-9
12
-4
3
6
12
-7
1
-13
-13
8
0
4
4
12
8
4
1
8
-3
15
11
-8
5
12
-2
-6
3
5
2
-3
9
-2
8
-6
-14
4
0
3
4
1
-5
-14
-11
12
14
10
-2
-1
3
10
-4
-2
-15
14
-8
-4
-10
9
14
7
-10
5
-11