C3123223313331322121111331333133313331331121123121111331311312112331   >>    C312322331333132212111133133313331333133112112312111133131131211233   <<    C3123223313331322121111331333133313331331121123121111331311312112333   >>      C3123223313331322121111331333133313331331121123121111331311312112332   >>