C132233133112121111331333133313331333132331213331333133313113121311   >>    C13223313311212111133133313331333133313233121333133313331311312131   <<    C132233133112121111331333133313331333132331213331333133313113121313   >>      C132233133112121111331333133313331333132331213331333133313113121312   >>