BSV3
12
20
0 4 0
0 4 2 
0 4 0 
0 4 2
2 4 0
2 4 0
2 4 0
2 4 0
0 2 0
0 2 0
0 2 0
0 2 0
2 2 0
4 2 0
7 2 0
10 2 0
0 0 2
0 0 2
0 0 2
0 0 2
2 0 2
2 0 2
2 0 2
2 0 2
2 4 4
2 5 4
2 6 4
2 7 4
0 4 4
0 5 4
0 6 4
0 7 4
2 0 4
2 -1 4
2 -2 4
2 -4 4
0 0 4
0 1 5
0 2 6
0 3 7
0 2 2
0 2 2
0 2 2
0 2 2
2 2 2
2 2 2
2 2 2
2 2 2
0 3 1
0 2 3
2 10 11
2 11 3
7 0 1
7 1 6
10 9 4
10 7 9
10 0 7
10 2 0
10 4 5
10 5 11
11 1 3
11 6 1
11 8 6
11 5 8
9 7 6
9 6 8
4 9 8
4 8 5