3    11    20    20
  0  0  1  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0
  2 10 10  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0
  0  0  0  0  1  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0
  0  0  0  0  0  1  0  0  0  0  0  0  0  0  0  0  0  0  0  0
  1  0 10  0  1  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0
  0  0  0  0  0  0  0  0  1  0  0  0  0  0  0  0  0  0  0  0
  0  0  0  0  0  0  0  0  0  1  0  0  0  0  0  0  0  0  0  0
  0  0  0  0  0  0  0  0  0  0  1  0  0  0  0  0  0  0  0  0
  0  0  0  0  0  0  0  0  0  0  0  0  1  0  0  0  0  0  0  0
  0  0  0  0  0  0  0  0  0  0  0  0  0  0  1  0  0  0  0  0
  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  1  0  0  0  0
  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  1  0  0  0
  0  0  0  1  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0
  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  1  0
  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  1
  7  0 10  0  6  2 10  3  6  3  1 10  4  0  1  8 10  0  0  8
  7  0  4  4  9  5  0  1  6  1  0  3  5  0  0 10  2  0  0 10
  9  0  6  5  3  0  7  4  9 10  8  9  3  0  2  4  9 10  0 10
  8  0  4  9  5  4 10  0  5  7  0  5 10  1  1  0  5  0  0  4
  0  0  0  0  0  0  1  0  0  0  0  0  0  0  0  0  0  0  0  0