C2221333133313331311233132313331333133313331322133313331211113313122331   >>    C222133313331333131123313231333133313331333132213331333121111331312233   <<    C2221333133313331311233132313331333133313331322133313331211113313122333   >>      C2221333133313331311233132313331333133313331322133313331211113313122332   >>