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