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