C13223313311212111133133313331333133313232233133313113313311232133323213232321   >>    C1322331331121211113313331333133313331323223313331311331331123213332321323232   <<    C13223313311212111133133313331333133313232233133313113313311232133323213232323   >>      C13223313311212111133133313331333133313232233133313113313311232133323213232322   >>