C111113331333132322331333133313331311331323133112111133132333323321311   >>    C11111333133313232233133313331333131133132313311211113313233332332131   <<    C111113331333132322331333133313331311331323133112111133132333323321313   >>      C111113331333132322331333133313331311331323133112111133132333323321312   >>