C3123223313331322121111331333133313331333121211113313121111332213331   >>    C312322331333132212111133133313331333133312121111331312111133221333   <<    C3123223313331322121111331333133313331333121211113313121111332213333   >>      C3123223313331322121111331333133313331333121211113313121111332213332   >>