C13223313311212111133133313331211113313231123313331333112332311   >>    C1322331331121211113313331333121111331323112331333133311233231   <<    C13223313311212111133133313331211113313231123313331333112332313   >>      C13223313311212111133133313331211113313231123313331333112332312   >>