C2221333133313331311233132313331333133313331333133312111133133311231   >>    C222133313331333131123313231333133313331333133313331211113313331123   <<    C2221333133313331311233132313331333133313331333133312111133133311233   >>      C2221333133313331311233132313331333133313331333133312111133133311232   >>