C13223313311212111133133313331323133313331323131133133313231331211222331   >>    C1322331331121211113313331333132313331333132313113313331323133121122233   <<    C13223313311212111133133313331323133313331323131133133313231331211222333   >>      C13223313311212111133133313331323133313331323131133133313231331211222332   >>