Each digit, 1-9, appears exactly once in each row, column, and 3x3 region.
Connections: There are sixteen words in the grid, which can be grouped into four groups of four related words. Each cell that contains a word has the same digit as the other three words in its group. Filling in all four words of a group will reveal the connection between them.
Solution code: Row 5, Left to Right.
yesterday, 20:05 by emoney1374
Creative idea! Fun solve
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