C13223313311212111133133313331211113313231123313331323133313231333133311231   >>    C1322331331121211113313331333121111331323112331333132313331323133313331123   <<    C13223313311212111133133313331211113313231123313331323133313231333133311233   >>      C13223313311212111133133313331211113313231123313331323133313231333133311232   >>