C13223313311212111133133313331323133313331323113313113313231333211211   >>    C1322331331121211113313331333132313331333132311331311331323133321121   <<    C13223313311212111133133313331323133313331323113313113313231333211213   >>      C13223313311212111133133313331323133313331323113313113313231333211212   >>