C111123313331323113313331333133313331323133112113313232231311
  >>
   C11112331333132311331333133313331333132313311211331323223131
  <<
   C111123313331323113313331333133313331323133112113313232231313
  >>
 
 
 C111123313331323113313331333133313331323133112113313232231312
  >>