C13223313311212111133133313331211113313231123313331333132222231   >>    C1322331331121211113313331333121111331323112331333133313222223   <<    C13223313311212111133133313331211113313231123313331333132222233   >>      C13223313311212111133133313331211113313231123313331333132222232   >>