C11112331312111112111133133313331333132212111133133313331333132332313231311331   >>    C1111233131211111211113313331333133313221211113313331333133313233231323131133   <<    C11112331312111112111133133313331333132212111133133313331333132332313231311333   >>      C11112331312111112111133133313331333132212111133133313331333132332313231311332   >>