20 20
  9  18 14 15 16 17 19 5  6  13 7  11 4  0  2  3  10 12 8  1  
9  x  0  0  0  0  0  0  0  0  0  0  0  x  0  0  0  0  0  x  0  
18 0  x  0  x  0  0  0  0  0  0  0  0  0  x  0  0  0  0  0  0  
14 0  0  x  0  0  0  0  0  x  0  0  0  0  0  0  0  0  0  0  x  
15 0  0  0  x  0  0  0  0  0  0  0  0  x  0  0  0  0  0  0  x  
10 0  0  0  0  x  0  0  0  x  x  0  0  0  0  0  x  x  0  0  0  
17 0  0  0  0  0  x  0  x  0  0  0  0  0  0  x  0  0  0  0  x  
3  0  0  0  0  0  0  x  0  0  0  0  0  0  0  0  x  0  x  x  0  
11 0  0  0  0  0  0  0  x  0  0  0  x  0  0  0  x  0  x  0  0  
1  0  0  0  0  0  0  0  x  x  0  x  0  x  x  0  0  0  0  0  x  
8  0  0  0  0  0  0  0  0  0  x  0  0  0  0  0  x  0  0  x  0  
0  x  0  0  0  0  x  0  0  0  0  x  0  0  x  0  0  x  0  x  x  
16 0  0  0  0  x  0  x  0  0  x  0  x  0  0  0  0  0  0  0  x  
4  0  0  0  0  0  0  0  0  0  0  0  0  x  x  0  x  0  0  x  x  
6  0  0  0  0  0  x  0  0  x  0  x  x  x  x  x  0  0  0  0  x  
19 x  0  0  0  0  0  x  0  0  0  0  0  0  0  x  0  0  0  0  0  
12 0  0  0  0  0  0  0  0  0  0  0  x  0  0  0  x  0  x  0  0  
13 0  0  0  0  0  0  0  0  0  x  0  0  0  0  x  0  x  0  0  0  
7  0  0  0  0  0  0  0  0  0  0  x  0  0  0  0  x  0  x  0  x  
2  0  0  0  0  0  0  0  0  0  0  0  0  0  x  x  0  x  0  x  0  
5  0  0  0  0  0  0  0  x  0  0  0  0  0  0  0  0  0  0  0  x  
f:        738   667   600   537   486   446   421   402   383   352   336   323   310   306   305   304   303   302   301   300
g:         16    19    22    25    36    54    83   114   141   152   174   195   212   234   255   272   285   294   299   300
h:        290   310   305   301   306   276   253   222   189   157   129   108    91    66    45    28    15     6     1     0
