C132233133112121111331333133313331333132331213331333133313332313311212121   >>    C13223313311212111133133313331333133313233121333133313331333231331121212   <<    C132233133112121111331333133313331333132331213331333133313332313311212123   >>      C132233133112121111331333133313331333132331213331333133313332313311212122   >>