C111113331333132322331333133313331311331313311211111333132332313331311311   >>    C11111333133313232233133313331333131133131331121111133313233231333131131   <<    C111113331333132322331333133313331311331313311211111333132332313331311313   >>      C111113331333132322331333133313331311331313311211111333132332313331311312   >>