1 
0 
1 0
1 0
1 0
2 1
2 1
1 0
1 0
2 1
2 1
1 0
1 0
1 0
1 0
1 0
1 0
2 1
2 1
1 0
1 0
2 1
2 1
4 3
4 3
8 7
8 7
4 3
4 3
2 1
2 1
8 7
8 7
10 9
10 9
14 13
14 13
16 15
16 15
32 31
32 31
16 15
16 15
24 23
24 23
12 11
12 11
17 16
17 16
