Arrange the numbers 1 to 32 in the loop so that ajacent numbers sum to a square number.(Happy) And the loop is 32 squares round no use of 1 number twice (Nod)
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Arrange the numbers 1 to 32 in the loop so that ajacent numbers sum to a square number.(Happy) And the loop is 32 squares round no use of 1 number twice (Nod)
I think this is the only solution
1,8,28,21,4,32,17,19,30,6,3,13,12,24,25,11,5,31,18 ,7,29,20,16,9,27,22,14,2,23,26,10,15,
cheers
Nobby.
