C2221333133313331311233132313331333133313111112111133133313221323311211   >>    C222133313331333131123313231333133313331311111211113313331322132331121   <<    C2221333133313331311233132313331333133313111112111133133313221323311213   >>      C2221333133313331311233132313331333133313111112111133133313221323311212   >>