param n_lign:=15 ;
param n_col:=15 ;
param n_bloc_max:=4 ;
param bloc_lign:  1  2  3  4 := 
1     3   0   0   0  
2     5   0   0   0  
3     4   3   0   0  
4     7   0   0   0  
5     5   0   0   0  
6     3   0   0   0  
7     5   0   0   0  
8     1   8   0   0  
9     3   3   3   0  
10     7   3   2   0  
11     5   4   2   0  
12     8   2   0   0  
13     10   0   0   0  
14     2   3   0   0  
15     6   0   0   0  
;
 param bloc_col:  1  2  3  4 := 
1     3   0   0   0  
2     4   0   0   0  
3     5   0   0   0  
4     4   0   0   0  
5     5   0   0   0  
6     6   0   0   0  
7     3   2   1   0  
8     2   2   5   0  
9     4   2   6   0  
10     8   2   3   0  
11     8   2   1   1  
12     2   6   2   1  
13     4   6   0   0  
14     2   4   0   0  
15     1   0   0   0  
;