C133323133112111133133313331333131121133132233133313113313232211   >>    C13332313311211113313331333133313112113313223313331311331323221   <<    C133323133112111133133313331333131121133132233133313113313232213   >>      C133323133112111133133313331333131121133132233133313113313232212   >>