Spring - Hard Sudoku (Rainbow)

This Hard Sudoku puzzle features a 9x9 Sudoku puzzle to solve and a picture of a rainbow to color. The Sudoku puzzle is printable and changes each time you visit or click on the Refresh button below.

With this Sudoku puzzle generator, you can easily create new puzzles to use in the classroom or at home.

The puzzle also has an optional answer key checkbox that you can select, if you wish to print out the answer key.

Level of Difficulty: Hard

Sudoku Strategy: To solve the puzzle, you need to fill in the missing numbers (from 1 to 9) so that each column, row and 3x3 subgrid does not contain the same number more than once.

Spring Sudoku Key

597486123
164325897
823719546
631278954
245963781
789541632
976832415
318654279
452197368
sudoku puzzle with a rainbow

 Check this box to display the answer key

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