C111123313121111121111331333133313331322121111331333133313231311321   >>    C11112331312111112111133133313331333132212111133133313331323131132   <<    C111123313121111121111331333133313331322121111331333133313231311323   >>      C111123313121111121111331333133313331322121111331333133313231311322   >>