How to Solve Sudoku, in 10 Steps
A worksheet-based system for solving Sudoku puzzles Sudoku playlist: https://www.youtube.com/playlist?list=PLPCGA67J8M2KF04Ysa8SGslKuX2azyl11 0:00 Intro 0:42 Worksheet Overview 1:29 Steps in the Method 4:59 Application to Easy Puzzle 5:14 Step 1 -- Fill in Given Numbers 5:46 Step 2 -- Cross out Givens in Boxes 7:03 Step 3 -- Cross out Givens in Rows 8:05 Step 4 -- Cross out Givens in Columns 9:07 Step 5 -- Scan for Uniques 9:42 Step 6 -- Place Uniques & Cross out 17:35 Steps 7-8 -- Analyze Boxes [Steps 9-10 not needed for this easy puzzle] Hard puzzle example: https://youtu.be/CgMkuSSjQeI PDFs of Worksheet, Steps List, and Sample Puzzle: https://drive.google.com/open?id=1zVrn2wBRcP-m1uDIiRaqNu0dpPgN_NDQ Online Sudoku Generator: http://www.opensky.ca/~jdhildeb/software/sudokugen/ #Sudoku Music: Among the Clouds, by Darren Curtis Thumbnail Image: Sudoku, by Gellinger https://pixabay.com/images/id-647700/ https://pixabay.com/users/Gellinger-201217/
A worksheet-based system for solving Sudoku puzzles Sudoku playlist: https://www.youtube.com/playlist?list=PLPCGA67J8M2KF04Ysa8SGslKuX2azyl11 0:00 Intro 0:42 Worksheet Overview 1:29 Steps in the Method 4:59 Application to Easy Puzzle 5:14 Step 1 -- Fill in Given Numbers 5:46 Step 2 -- Cross out Givens in Boxes 7:03 Step 3 -- Cross out Givens in Rows 8:05 Step 4 -- Cross out Givens in Columns 9:07 Step 5 -- Scan for Uniques 9:42 Step 6 -- Place Uniques & Cross out 17:35 Steps 7-8 -- Analyze Boxes [Steps 9-10 not needed for this easy puzzle] Hard puzzle example: https://youtu.be/CgMkuSSjQeI PDFs of Worksheet, Steps List, and Sample Puzzle: https://drive.google.com/open?id=1zVrn2wBRcP-m1uDIiRaqNu0dpPgN_NDQ Online Sudoku Generator: http://www.opensky.ca/~jdhildeb/software/sudokugen/ #Sudoku Music: Among the Clouds, by Darren Curtis Thumbnail Image: Sudoku, by Gellinger https://pixabay.com/images/id-647700/ https://pixabay.com/users/Gellinger-201217/