Draw on Edges: OFF Panel: OFF

     

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  • Surface
  • Line Normal
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  • Number Normal
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Standard Sudoku rules: Insert a number from 1 to 9 into each cell so that no number repeats in any row, column, or bold region.

Instead of the numbers 1-9, use the letters in "GMPUZZLES". (Z will appear twice in each row, column, and region.)

For automatic solution checking, the CAPITAL LETTERS must be entered in green, blue, or red.
CTRL + z CTRL + y Erase elements that belongs to the selected mode Erase problem or solution grid

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