Why stop at strings? 711 555 4711 3000000000 501

According to https://www.norden.org/en/info-norden/public-holidays-greenland May 1st in both International Workers Day and Anniversary of introduction of home rule. These are not public holidays, but provide time off under collective bargaining agreements. So Greenland should be striped Red, Green, Gray and one more color.

Not if you add trace amounts of coffee to it.