30-19

0 0
0 1
-1 2
1 -1
1 1
1 2
2 -1
0 3
0 2
-1 3
2 1
-1 1
3 1
-1 0
-1 -1
-2 0
3 2
-2 4
-2 5
3 -1
4 -2
-2 6
1 0
4 -3
-3 0
-4 1
0 -2
0 -3
-2 2
-3 1