Ah, another nice one from the eVil. Ha. If remove one t, three r's, three u's, and one e, then trrruuue ---> true, as in true Halloween style, by 13_31.
--->
National Institute for Health and Welfare (Finland).
Northeastern Manitoulin and the Islands, Ontario.
International Foundation for Internal Freedom. [Turn-on tune-in drop-out psychedelic Timothy Leary]
Island territories of the Netherlands Antilles.
https://anagram-solver.net/%20stay%2...0?partial=true
And back to the brackets around Finland, as in the similar solution from V's previous thus line.
Wow! 372nd post ---> 372 = (1 + 371) ---> 1/371, with (1^3 + 3^3 + 7^3) = 371. And a time of 3:37 ---> 337 ---> 37. Spot #21 = 3*7 ---> 37.