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GwB5 TIL if you write any number in words (English), count the number of letters, write this new number in words and so on, you’ll end with number 4
mn0x TIL that the shape of an Pringle is called »hyperbolic paraboloid«
X1Xk TIL if you write any number in words (English), count the number of letters, write this new number in words and so on, you’ll end with number 4