 assi 
   (( segid "   A" and resid 31   and name  N   ))
   (( segid "   A" and resid 51   and name  O   ))
      2.400     0.600     0.600

 assi 
   (( segid "   A" and resid 31   and name  HN  ))
   (( segid "   A" and resid 51   and name  O   ))
      1.900     0.100     0.100

 assi 
   (( segid "   A" and resid 31   and name  O   ))
   (( segid "   A" and resid 51   and name  N   ))
      2.400     0.600     0.600

 assi 
   (( segid "   A" and resid 31   and name  O   ))
   (( segid "   A" and resid 51   and name  HN  ))
      1.900     0.100     0.100

 assi 
   (( segid "   A" and resid 33   and name  N   ))
   (( segid "   A" and resid 49   and name  O   ))
      2.400     0.600     0.600

 assi 
   (( segid "   A" and resid 33   and name  HN  ))
   (( segid "   A" and resid 49   and name  O   ))
      1.900     0.100     0.100

