C13223313311212111133133313331211113313231123313331323133313231333133321111   >>    C1322331331121211113313331333121111331323112331333132313331323133313332111   <<    C13223313311212111133133313331211113313231123313331323133313231333133321113   >>      C13223313311212111133133313331211113313231123313331323133313231333133321112   >>