C132233133112121111331333133313331333132331213331333133313113121111132232312311   >>    C13223313311212111133133313331333133313233121333133313331311312111113223231231   <<    C132233133112121111331333133313331333132331213331333133313113121111132232312313   >>      C132233133112121111331333133313331333132331213331333133313113121111132232312312   >>