C13223313311212111133133313331323133313331323113313113313113313233321331   >>    C1322331331121211113313331333132313331333132311331311331311331323332133   <<    C13223313311212111133133313331323133313331323113313113313113313233321333   >>      C13223313311212111133133313331323133313331323113313113313113313233321332   >>