C13223313311212111133133313331333133313233121333133313331333212312311   >>    C1322331331121211113313331333133313331323312133313331333133321231231   <<    C13223313311212111133133313331333133313233121333133313331333212312313   >>      C13223313311212111133133313331333133313233121333133313331333212312312   >>