C13332313311211113313331333133313331323321333133313231322331312121   >>    C1333231331121111331333133313331333132332133313331323132233131212   <<    C13332313311211113313331333133313331323321333133313231322331312123   >>      C13332313311211113313331333133313331323321333133313231322331312122   >>