<levels>  // height  width  num-mines
6  6  8   // beginner
11 11 30  // intermediate
11 22 60  // expert

<frame-types>  // x0  y0  width  height
1  109  32 32  // 0 Ecken Cell-Typ 
34 109  32 32  // 1 Seiten Cell-Typ 

<cell-types>  // x0  y0  width  height  symbol-dx  symbol-dy
              // frame-type  dx  dy
1  1  26 26   6  7   0 -3 -3  1 -3 -3  // 0 rechter Winkel links-oben
1 28  26 26  18 17   0 -3 -3  1 -3 -3  // 1 rechter Winkel rechts-unten
1 55  26 26  18  7   0 -3 -3  1 -3 -3  // 2 rechter Winkel rechts-oben
1 82  26 26   6 17   0 -3 -3  1 -3 -3  // 3 rechter Winkel links-unten

<cell-patterns>  // row  col  cell-type  dx  dy  cond.
                 // adj-pattern  adj-tile-hor  adj-tile-vert
0 0   0    0  0  777   4 -1  0   5 -1  0   6 -1  0   7 -1  0   3  0  0   2  0  0   1  0  0
                       5  0  0   4  0  0   7  0 -1   6  0 -1   2  0 -1   3  0 -1   7 -1 -1   
0 0   1    0  0  777   6 -1  0   7 -1  0   3  0  0   2  0  0   6  0  0   5  0  0   4  0  0
                       7  0 -1   6  0 -1   2  0 -1   3  0 -1   0  0  0   4 -1  0   5 -1  0
0 1   3   26  0  777   6 -1  0   7 -1  0   3  0  0   0  0  1   1  0  1   5  0  1   4  0  1
                       7  0  0   6  0  0   5  0  0   1  0  0   0  0  0   4 -1  0   5 -1  0   
0 1   2   26  0  777   4 -1  1   0  0  1   1  0  1   5  0  1   4  0  1   7  0  0   6  0  0
                       2  0  0   1  0  0   0  0  0   4 -1  0   5 -1  0   6 -1  0   7 -1  0 
1 0   3    0 26  777   0  0  0   1  0  0   5  0  0   6  0  0   7  0  0   3  1  0   2  1  0
                       1  1  0   0  1  0   3  1 -1   7  0 -1   6  0 -1   2  0 -1   3  0 -1
1 0   2    0 26  777   2  0  0   6  0  0   7  0  0   3  1  0   2  1  0   1  1  0   0  1  0
                       4  0  0   7  0 -1   6  0 -1   2  0 -1   3  0 -1   0  0  0   1  0  0
1 1   0   26 26  777   2  0  0   3  0  0   0  0  1   1  0  1   5  0  1   4  0  1   7  0  0
                       3  1  0   2  1  0   1  1  0   0  1  0   4  0  0   5  0  0   1  0  0
1 1   1   26 26  777   0  0  1   1  0  1   5  0  1   4  0  1   0  1  1   3  1  0   2  1  0
                       1  1  0   0  1  0   4  0  0   5  0  0   6  0  0   2  0  0   3  0  0

<tile>  // hor-dx  hor-dy  vert-dx  vert-dy
52 0   0 52