C3123121111331312121111331333133313231333132331211113313223313232233311   >>    C312312111133131212111133133313331323133313233121111331322331323223331   <<    C3123121111331312121111331333133313231333132331211113313223313232233313   >>      C3123121111331312121111331333133313231333132331211113313223313232233312   >>