C13223313311212111133133313331333132313331321121111133112323231   >>    C1322331331121211113313331333133313231333132112111113311232323   <<    C13223313311212111133133313331333132313331321121111133112323233   >>      C13223313311212111133133313331333132313331321121111133112323232   >>