C13223313311212111133133313331211113313231123313331322331311331311211312322131   >>    C1322331331121211113313331333121111331323112331333132233131133131121131232213   <<    C13223313311212111133133313331211113313231123313331322331311331311211312322133   >>      C13223313311212111133133313331211113313231123313331322331311331311211312322132   >>