C3123223313331322121111331333133313331333121211113313331313331311221123222331   >>    C312322331333132212111133133313331333133312121111331333131333131122112322233   <<    C3123223313331322121111331333133313331333121211113313331313331311221123222333   >>      C3123223313331322121111331333133313331333121211113313331313331311221123222332   >>