Beginners Sudoku #394219 https://www.livesudoku.com/en/sudoku/easy/394219

Evil Sudoku #1729705 https://www.livesudoku.com/en/sudoku/evil/1729705

Beginners Sudoku #324100 https://www.livesudoku.com/en/sudoku/easy/324100

Medium Sudoku #934588 https://www.livesudoku.com/en/sudoku/medium/934588

Medium Sudoku #824476 https://www.livesudoku.com/en/sudoku/medium/824476

Medium Sudoku #824476 https://www.livesudoku.com/en/sudoku/medium/824476

Medium Sudoku #824476 https://www.livesudoku.com/en/sudoku/medium/824476

Medium Sudoku #513478 https://www.livesudoku.com/en/sudoku/medium/513478

Medium Sudoku #990383 https://www.livesudoku.com/en/sudoku/medium/990383

Evil Sudoku #1610141 https://www.livesudoku.com/en/sudoku/evil/1610141