C13223313311212111133133313331323133313331323113313113313232233112312131   >>    C1322331331121211113313331333132313331333132311331311331323223311231213   <<    C13223313311212111133133313331323133313331323113313113313232233112312133   >>      C13223313311212111133133313331323133313331323113313113313232233112312132   >>