3    25    10    10
  0  0  0  0  0  4  0  0  0  0
  0  0  0  0  0  0  0  4  0  0
  2  0  2  4  1  2  0  0  0  0
  0  1  0  1  0  0  0  1  0  0
  3  1  2  3  3  3  0  1  0  0
  4  0  0  0  0  0  0  0  0  0
  0  0  0  0  0  0  0  0  0  4
  0  4  0  0  0  0  0  0  0  0
  9  0  9 21  9  9  1  0  1  1
  0  0  0  0  0  0  4  0  0  0