C13332313311211113313331333133313133313232233121111331333132323221221   >>    C1333231331121111331333133313331313331323223312111133133313232322122   <<    C13332313311211113313331333133313133313232233121111331333132323221223   >>      C13332313311211113313331333133313133313232233121111331333132323221222   >>