Lookout for Hidden Singles, Pairs, Triples, and Quadruples in Sudoku

[@trid2687]

Your tutorials are by far the best. I like how you give us a chance to find things before you give the solutions.

[@muhah20125]

Dude Great Video, TYVM!!
Very simple and easy to understand the way you explain it!

[@niranjankumarcoimbatore5842]

Very wonderful video

[@yb4159]

Your tutorials are the best! Thank you so much.

[@lzkennedy1]

Same here- just started solving sudoku and your tutorials have helped a lot. You do a great job explaining different strategies. Your graphics and explanations are easy to follow. Thanks!

[@GouriPatil-k2p]

Just started solving sudoku and your tutorials have helped me get my very basics done pretty well.

[@LearnSomethingNewEveryDay]

Great to hear, and thanks for leaving a comment!

[@DavidLuger]

Thanks. I was ready to give up on a toughie.

[@rustyshaffer]

15:55 Easy to spot esp. the hidden quadruples? Maybe for you for me nope 😕

[@israelaviles8909]

Its hard to spot hidden quadruplets