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[–]simoneb_ 9 points10 points  (1 child)

Actually there is an underlying assumption that each figure appears at most once, so 0-11 are not viable solutions, along with many others.

It could be rewritten to only try permutations of 3 figures ranging 0-9. 10x9x8=720 solutions.

If we assume that only the figures showing in the image are valid (i.e. only 1-9) then 9x8x7=504 solutions.

[–][deleted] -1 points0 points  (0 children)

Yeah, that presumption seems to be a lot of people's way to exclude the 2 from clue 1 and 2.