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/* dragon.dat */
/***********************************************************************
* Hard 20x20 paint-by-numbers puzzle designed by Won Yoon Jo
* from the article "Painting by Numbers" by Robert A. Bosch (2000),
* <http://www.oberlin.edu/~math/faculty/bosch/pbn-page.html>.
*
* Encoded in GNU MathProg by Andrew Makhorin <mao@gnu.org>.
***********************************************************************/
data;
param m := 20;
param n := 20;
param row : 1 2 3 4 5 :=
1 7 1 . . .
2 1 1 2 . .
3 2 1 2 . .
4 1 2 2 . .
5 4 2 3 . .
6 3 1 4 . .
7 3 1 3 . .
8 2 1 4 . .
9 2 9 . . .
10 2 1 5 . .
11 2 7 . . .
12 14 . . . .
13 8 2 . . .
14 6 2 2 . .
15 2 8 1 3 .
16 1 5 5 2 .
17 1 3 2 4 1
18 3 1 2 4 1
19 1 1 3 1 3
20 2 1 1 2 . ;
param col : 1 2 3 4 5 :=
1 1 1 1 2 .
2 3 1 2 1 1
3 1 4 2 1 1
4 1 3 2 4 .
5 1 4 6 1 .
6 1 11 1 . .
7 5 1 6 2 .
8 14 . . . .
9 7 2 . . .
10 7 2 . . .
11 6 1 1 . .
12 9 2 . . .
13 3 1 1 1 .
14 3 1 3 . .
15 2 1 3 . .
16 2 1 5 . .
17 3 2 2 . .
18 3 3 2 . .
19 2 3 2 . .
20 2 6 . . . ;
end;
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