C111123313121111121111331333133313331333133313331333133313231311323321   >>    C11112331312111112111133133313331333133313331333133313331323131132332   <<    C111123313121111121111331333133313331333133313331333133313231311323323   >>      C111123313121111121111331333133313331333133313331333133313231311323322   >>