C111113331333132322331333133313331311331323133112111112111133221111   >>    C11111333133313232233133313331333131133132313311211111211113322111   <<    C111113331333132322331333133313331311331323133112111112111133221113   >>      C111113331333132322331333133313331311331323133112111112111133221112   >>