Here is a famous prize problem that Sam Loyd issued in 1882, offering $1000 as a prize for the best answer showing how to arrange the seven figures and the eight 'dots' .4.5.6.7.8.9.0. which would add up to 82
Almost ALL of Sam Lloyd's puzzles and their solutions are in the public domain, i.e., on the Internet!!!
Here is this question and one solution: https://www.mathsisfun.com/puzzles/our-columbus-problem-solution.html
I will give you the answer but i want half of the prize.
deal?