C13223313311212111133133313331333132333133112111133131323132312311   >>    C1322331331121211113313331333133313233313311211113313132313231231   <<    C13223313311212111133133313331333132333133112111133131323132312313   >>      C13223313311212111133133313331333132333133112111133131323132312312   >>