C13223313311212111133133313331211113313231123313331333132231231   >>    C1322331331121211113313331333121111331323112331333133313223123   <<    C13223313311212111133133313331211113313231123313331333132231233   >>      C13223313311212111133133313331211113313231123313331333132231232   >>