C13223313311212111133133313331323133313331323113313113313233121233131   >>    C1322331331121211113313331333132313331333132311331311331323312123313   <<    C13223313311212111133133313331323133313331323113313113313233121233133   >>      C13223313311212111133133313331323133313331323113313113313233121233132   >>