7  15
-8  -8  0
16
6  0
6  2
6  4
6  6
6  8
6  10
6  12
6  14
0  14
0  12
0  10
0  8
0  6
0  4
0  2
0  0
33
0
33
0
33
0
33
0
33
0
33
0
33
0
33
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
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
33
0
33
0
33
0
33
0
33
0
33
0
33
0
33
33
0
33
0
33
0
33
0
33
0
33
0
33
0
33
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
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
33
0
33
0
33
0
33
0
33
0
33
0
33
0
33
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
5
3
3
3
3
3
3
3
3
3
3
3
3
3
8
6
8
0
0
0
0
0
0
0
0
0
0
0
0
2
0
2
0
0
0
0
0
0
0
0
0
0
0
0
2
5
7
0
0
0
0
0
0
0
0
0
0
0
0
2
6
3
3
3
3
3
3
3
3
3
3
3
3
3
7
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
