C3123121111331312121111331333133313223313232233132313331323132323223321   >>    C312312111133131212111133133313331322331323223313231333132313232322332   <<    C3123121111331312121111331333133313223313232233132313331323132323223323   >>      C3123121111331312121111331333133313223313232233132313331323132323223322   >>