C13223313311212111133133313331323133313331323113313331311213331313111   >>    C1322331331121211113313331333132313331333132311331333131121333131311   <<    C13223313311212111133133313331323133313331323113313331311213331313113   >>      C13223313311212111133133313331323133313331323113313331311213331313112   >>