Evil Sudoku #1931798 https://www.livesudoku.com/en/sudoku/evil/1931798

Evil Sudoku #1706656 https://www.livesudoku.com/en/sudoku/evil/1706656

Medium Sudoku #545914 https://www.livesudoku.com/en/sudoku/medium/545914

Hard Sudoku #1117413 https://www.livesudoku.com/en/sudoku/hard/1117413

Medium Sudoku #837138 https://www.livesudoku.com/en/sudoku/medium/837138

Beginners Sudoku #222344 https://www.livesudoku.com/en/sudoku/easy/222344

Beginners Sudoku #279217 https://www.livesudoku.com/en/sudoku/easy/279217

Medium Sudoku #748606 https://www.livesudoku.com/en/sudoku/medium/748606

Beginners Sudoku #493629 https://www.livesudoku.com/en/sudoku/easy/493629

Medium Sudoku #729238 https://www.livesudoku.com/en/sudoku/medium/729238