C111113331333132322331333133313331311331323133112111112133313331212111   >>    C11111333133313232233133313331333131133132313311211111213331333121211   <<    C111113331333132322331333133313331311331323133112111112133313331212113   >>      C111113331333132322331333133313331311331323133112111112133313331212112   >>