Jigsaw Sudoku instructions and free Jigsaw Sudoku puzzles to play online

I hired a developer to create a sudoku generator for me. It generates 4x4, 6x6 and 9x9 with the difficulties easy, medium, hard, very hard. This is from a 6x6 very hard

Sudoku 6x6 - Hard

100 Large Print Medium 6x6 Sudoku Puzzles for Adults: Only One Puzzle Per Page! (Pocket 6x9 Size) by Lauren Dick, Paperback

100 Large Print Hard 6x6 Sudoku Puzzles for Adults: Only One Puzzle Per Page! (Pocket 6

Sudoku Challenge

Winter Picture Sudoku Puzzles 6x6

Buy 6x6 Sudoku 300 Games Answers Included Online in India

Sudoku 6x6: Sudoku for Kids: 6x6 Easy 100 Puzzles Games Book with Solution for Beginners Vol.2 Space Themed, Kids Ages 6-10 (Paperback)

Product Sudoku (Mini Sudoku Series #21) Sudoku, Printable puzzles, Online math

6x6 Sudoku Puzzles Printable - Sheet 2