C13332313311211113313331333133313331322333133313331333132323221221   >>    C1333231331121111331333133313331333132233313331333133313232322122   <<    C13332313311211113313331333133313331322333133313331333132323221223   >>      C13332313311211113313331333133313331322333133313331333132323221222   >>