1     2     0     0     3     1     0     1     0     1     2     0     0     2     0     0     1     1
     1     2     1     0     0     0     2     0     2     1     4     0     0     0    -1     1     0     0
    -1    -1    -1    -1     0     0     2     1     0     1     1     2     1     3     1     2     0     0
     0     2     0     2     1     0    -1     3     1     2     1     1     1     1     0     0     2     2
     0     2     1     1     1     0     0     3     0     1    -1     1     1     0     0     1     1     0
    -1     1     0     0     0     2     1     0     1    -1     0     2     2     0     0     1     2     2
     0     0     0     2     0     2    -1     4     2     2     0    -1     3     1     1     2     2    -1
     1     2     1     0     0     0     1     5     2     0     0     1     1     2     0     2     1     0
    -1     0     1     1     0     0     2     1     1     1     0     1    -1     0     1     2     0     1
     0     0     2     1     0     0     2     1     2     3    -1     1     1     0     1     1     0     0
     1     0     0    -1     0     0     0     3     0     0     0     0     2     1     0     3     1     1
     2     0     0     2     1     0     0     0     2     1     2     0     0     1     0     0     2     0
     1     3     0     2     1     1     2     0     0     1     3     1     0     0     1     2     0     0
     0     2     0     0     1     1     0     0     1     2     2    -1     0     0     1     1     1     0