C3123223313331322121111331333133313331331121123121111331333211232323331   >>    C312322331333132212111133133313331333133112112312111133133321123232333   <<    C3123223313331322121111331333133313331331121123121111331333211232323333   >>      C3123223313331322121111331333133313331331121123121111331333211232323332   >>