Beginners Sudoku #182779 https://www.livesudoku.com/en/sudoku/easy/182779

Evil Sudoku #1759151 https://www.livesudoku.com/en/sudoku/evil/1759151

Evil Sudoku #1673981 https://www.livesudoku.com/en/sudoku/evil/1673981

Beginners Sudoku #452870 https://www.livesudoku.com/en/sudoku/easy/452870

Hard Sudoku #1459677 https://www.livesudoku.com/en/sudoku/hard/1459677

Beginners Sudoku #434634 https://www.livesudoku.com/en/sudoku/easy/434634

Medium Sudoku #610375 https://www.livesudoku.com/en/sudoku/medium/610375

Beginners Sudoku #319356 https://www.livesudoku.com/en/sudoku/easy/319356

Evil Sudoku #1505223 https://www.livesudoku.com/en/sudoku/evil/1505223

Beginners Sudoku #416688 https://www.livesudoku.com/en/sudoku/easy/416688