Timer
00:00:00

# Tough Sudoku for 16/September/2019

 1 2 3 4 5 6 7 8 9
Check out the latest post in the Sudoku Forum

Welcome to the Sudoku Forums!

Submitted by: Gath

 Indicate which comments you would like to be able to see GeneralJokesOtherSudoku Technique/QuestionRecipes
 1. Unique possibilities to 29.2. Whether e1=2,gi1=5;OR d1=2,i1=1;i2=7.UP32.3. Whether e3=9,e1=7;OR f3=9,f89=2 (or else 18UR @ af89);d1=2.UP81. 16/Sep/19 1:28 AM Basics to 291. Kraken cell (1289)f9 => -1i9 ; UP = 81|| (18)af9|| (2)f9 - f5 = e5 - e1 = (2-1)d1 = (1)i1|| (9)f9 - (9=61)fd3 - (1)h3 = (1)i1 16/Sep/19 2:13 AM Using Alfred's UR (18)af89, with guardians (2)f89 and (9)f89:1. (2=169)d1.df3 - (9)f89 == (2)f89 - f5 = (2)e5 => -2e1 ; UP = 81 16/Sep/19 2:36 AM Gumnut? Someone who chews gum? 16/Sep/19 3:49 AM Gumnut Babies were invented by Australian author of children's books, May Gibbs. (See Wikipedia). 16/Sep/19 7:13 AM Basics to 29 1. if i1=7 OR i1=5 => UR 38 bg13 OR c1=0 h3=d1=1 d7=2 b7=7 d3=6 f3=9 e3=7 => g1=5 i2=7 basics to 35 2.XY-chain 1238 [d1,g7,g3,i1] => d7<>2 => d1=2 solve 16/Sep/19 4:18 PM 17:52. 16/Sep/19 10:54 PM Alfred for the explanation of Gumnut. 17/Sep/19 4:29 AM