C3123223313331322121111331333133313331331121123121111331311213121   >>    C312322331333132212111133133313331333133112112312111133131121312   <<    C3123223313331322121111331333133313331331121123121111331311213123   >>      C3123223313331322121111331333133313331331121123121111331311213122   >>