Timer
00:00:00
Start Pause Reset
6 Comments Previous / NextHelp

Tough Sudoku for 21/April/2019

                 
                 
                 
                 
                 
                 
                 
                 
                 

Choose a number, and place it in the grid above.

  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

Basics to UP = 46
1. (8)i2 = d2 - (8=36)e34 - (6)i6 = i8 - a8 = a2 - b1 = HP(61)fh1 => -1i2 ; UP = 81
21/Apr/19 12:44 AM
correction -- should read:
1. (8)i2 = d2 - (8=36)e34 - (6)i4 = i8 - a8 = a2 - b1 = HP(61)fh1 => -1i2 ; UP = 81
21/Apr/19 12:47 AM
Basics to 46
1.X-chain x=3 =>[b2,d2,f2,g7,g4,i3]<>3 =>i3=5 g2=3
b2=5 Basics to 49
2. XY-chain 3689 [a2,d2,e3,f3] => [c3,f2]<>9
=> a2=9 f3=9 solve
21/Apr/19 1:10 AM
13:39. Basics to 81?
21/Apr/19 1:13 AM
Basics to 46
1. (9=6)a2-b1=(6-1)f1=(1)f2 =>-9f2; singles to 81

21/Apr/19 5:08 AM
8:06 Interesting photo.
21/Apr/19 3:38 PM
Please Log in to post a comment.

Not a member? Joining is quick and free. As a member you get heaps of benefits.

Join Now Login