Sudoku Challenge 006

hard · 5 min · All ages

Fill every empty cell so each row, column, and 2x2 box uses 1-4 once.

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Sudoku Challenge 006

hard 5 min All ages
Instructions

Fill every empty cell so each row, column, and 2x2 box uses 1-4 once.

3
4
2
4
2
1

Write the missing numbers in the blank cells.