5 9
     1     1     0
     1     2     0
     1     3     0
     1     4     0
     1     5     0
     1     6     0
     1     7     0
     1     8     0
     1     9   100
     2     1     0
     2     9   100
     3     1     0
     3     9   100
     4     1     0
     4     9   100
     5     1     0
     5     2     0
     5     3     0
     5     4     0
     5     5     0
     5     6     0
     5     7     0
     5     8     0
     5     9   100