C111113331333132322331333133313331333132332313311211113313331122332111   >>    C11111333133313232233133313331333133313233231331121111331333112233211   <<    C111113331333132322331333133313331333132332313311211113313331122332113   >>      C111113331333132322331333133313331333132332313311211113313331122332112   >>