matrix field=25 rows=10 cols=10
  0  0  1  0  0  0  0  0  0  0
 14  4  4  0  0  0  0  0  0  0
 12 13  1  0  0  0  0  0  0  0
  0  0  0  0  1  0  0  0  0  0
  0  0  0  0  0  0  1  0  0  0
  0  0  0  0  0  0  0  1  0  0
  0  0  0  1  0  0  0  0  0  0
 24 24  0 12 22  2 21  8 15  1
 24 20 14  5  2  0 23 10 17 22
 20 14 12 18 20 15 17 13 19  6