The Puzzle Robot #26 – Different Neighbors
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Theme: 2013 XMas Tree
Rules: Place a digit from 0 to 3 into each area so that no two areas that touch (even diagonally) share the same digit.
Answer String: Enter the row marked A from left to right, followed by a comma, followed by the column marked B from top to bottom.
Time Standards (highlight to view): Grandmaster = 6:00, Master = 10:00, Expert = 20:00
Solution: PDF