4
-5
9
6
1
-1
9
2
-3
-5
8
-9
1
-1
-8
-1
-1
1
4
0
8
7
6
3
-9
3
-3
1
-2
-7
-6
-8
6
-1
6
-1
-4
6
9
6
-9
0
-6
0
8
2
5
3
-2
6
7
7
8
8
4
0
7
9
7
4
-6
2
1
-6