Solution to: The Triangle
There are 18 solutions to this problem, when you leave out all rotations and mirror solutions. They are all listed below:
1 5 7 9 6 2 4 8 3 1 5 8 9 3 4 2 6 7 1 6 9 8 4 2 5 7 3 1 6 9 8 2 4 3 5 7 1 6 7 8 3 5 2 4 9 2 4 7 9 3 5 1 6 8 2 5 6 9 4 3 1 8 7 2 6 9 7 1 5 3 4 8 2 6 9 8 1 3 4 5 7 3 2 6 9 4 7 1 5 8 3 4 9 8 1 5 2 6 7 3 4 7 8 2 6 1 5 9 3 5 9 6 1 7 2 4 8 3 5 8 7 1 6 2 4 9 4 2 7 9 3 5 1 8 6 4 3 9 8 1 5 2 7 6 7 2 4 6 3 8 1 5 9 7 3 6 5 1 8 2 4 9
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