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