 This is an atomic permutation input file for O O O Cl            
 enter the order of the group
            6
 enter each atomic perm old..new, separated by a comment line
            1            1
            2            2
            3            3
            4            4
  ******* 
            1            2
            2            3
            3            1
            4            4
  ******* 
            1            2
            2            1
            3            3
            4            4
  ******* 
            1            3
            2            1
            3            2
            4            4
  ******* 
            1            1
            2            3
            3            2
            4            4
  ******* 
            1            3
            2            2
            3            1
            4            4
