C133323133112111133133313331333133313231322331323221232313223311   >>    C13332313311211113313331333133313331323132233132322123231322331   <<    C133323133112111133133313331333133313231322331323221232313223313   >>      C133323133112111133133313331333133313231322331323221232313223312   >>