Medium Sudoku #738327 https://www.livesudoku.com/en/sudoku/medium/738327

Medium Sudoku #673835 https://www.livesudoku.com/en/sudoku/medium/673835

Hard Sudoku #1287173 https://www.livesudoku.com/en/sudoku/hard/1287173

Beginners Sudoku #387953 https://www.livesudoku.com/en/sudoku/easy/387953

Medium Sudoku #899009 https://www.livesudoku.com/en/sudoku/medium/899009

Evil Sudoku #1766241 https://www.livesudoku.com/en/sudoku/evil/1766241

Medium Sudoku #782226 https://www.livesudoku.com/en/sudoku/medium/782226

Medium Sudoku #873442 https://www.livesudoku.com/en/sudoku/medium/873442

Beginners Sudoku #12658 https://www.livesudoku.com/en/sudoku/easy/12658

Medium Sudoku #960179 https://www.livesudoku.com/en/sudoku/medium/960179