0  0  0  0
  1 63 47  0
  2 52  0 38
  3  0 32  0
  4  0 17 24
  5 45 63  0
  6  0 63  0
  7 63 63  0
  8  0 48 29
  9  0 63 63
 10 63 63 35
 11  0 42 31
 12 63  0  0
 13 31  0 31
 14  0 31 31
 15 63 63 63