||[May. 17th, 2009|03:32 pm]
Unofficial Murderous Maths Forum on LJ
[or should that be Revival of Old Comm?]
Fun problem, yoinked from somewhere...
Arrange the numbers 1 to 32 in a circle such that adjacent numbers sum to a square number.
Took me an hour and a lot of scribbles, which may also have contained proof the solution is unique. [Sadly, this was only by exhaustion.]
Have fun :)