# Put the numbers $1, 2, …,16$ in circles

Put the numbers $$1, 2, 3, ..., 16$$ in circles so that the sum of the four numbers on each side of the triangle should be equal.

• Did you create this puzzle or did you find it somewhere? If you did not create it, please add a citation to where you found it – lioness99a Jan 17 '20 at 9:39
• @lioness99a, i found a paper with the sketch only, I tried the find the original. – Nick Jan 17 '20 at 10:15