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 Solving strategies and tips 
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No unread posts describe your solver

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pnm

22

19599

Wed Jul 18, 2018 10:55 am

pnm View the latest post

No unread posts   Full tables: "mod function" and "bitwise OR" (in the 8x8's)

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clm

10

36308

Thu Sep 15, 2016 1:54 pm

calcpnm View the latest post

No unread posts   Bitwise AND combination tables

skeeter84

0

133

Sun Jun 10, 2018 4:01 pm

skeeter84 View the latest post

No unread posts no-op puzzle - is this reasoning correct? - newbie alert

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bogie2820

10

1077

Sun Mar 11, 2018 8:55 pm

beaker View the latest post

No unread posts   Some nice reasoning in a no-op puzzle

jpoos

3

670

Fri Feb 23, 2018 11:48 pm

jpoos View the latest post

No unread posts   Solving twins (separating sides). User created Dec 16 and 22

clm

5

1205

Thu Dec 28, 2017 9:51 pm

clm View the latest post

No unread posts   Is this a valid strategy?

marblevolcano

2

1582

Wed Jan 25, 2017 9:53 pm

marblevolcano View the latest post

No unread posts   Calculator

diane123

2

1781

Fri Jan 20, 2017 9:43 am

eclipsegirl View the latest post

No unread posts   Tip for getting faster at timed puzzles

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sneaklyfox

22

12141

Wed Dec 28, 2016 2:02 pm

paulv66 View the latest post

No unread posts   Transforming the regular puzzles in no-op puzzles

clm

0

1336

Sun Aug 28, 2016 11:24 pm

clm View the latest post

No unread posts   More fuel to the fire

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jomapil

16

10185

Sun Jul 24, 2016 4:33 pm

marblevolcano View the latest post

No unread posts   Exponentiation Tables - originally courtesy of skeeter84

opacitaviola

9

7321

Wed Jun 29, 2016 7:58 pm

nicow View the latest post

No unread posts   Only Subtraction

aquilae

3

2646

Fri Nov 13, 2015 11:35 am

pnm View the latest post

No unread posts puzzle solvers in Fortran (!)

pnm

2

3393

Sat Jun 07, 2014 10:28 pm

pnm View the latest post

No unread posts Guessing for 7x7 difficult 21/04/2014?

baldert

3

3765

Tue Apr 22, 2014 11:26 pm

clm View the latest post

No unread posts   Bitwise OR' |

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taburona82

11

6557

Thu Mar 06, 2014 4:54 pm

opacitaviola View the latest post

No unread posts   Subtraction and division cages

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rhpzero

11

8527

Wed Jan 22, 2014 12:41 pm

nicow View the latest post

No unread posts   Use of the "clear all non-bolded"

opacitaviola

3

2833

Sat Dec 07, 2013 12:07 pm

clm View the latest post

No unread posts   The parity

clm

9

6126

Mon Dec 02, 2013 9:51 pm

clm View the latest post

No unread posts   A strange fascination with Excel

nightsprite

3

3541

Sat Nov 30, 2013 5:50 pm

nicow View the latest post

No unread posts   Strategies

richmize

3

3395

Thu Nov 21, 2013 9:15 pm

clm View the latest post

No unread posts   exponentiation tables for 2 and 3 digit cages

skeeter84

3

5252

Fri Aug 30, 2013 9:56 am

beaker View the latest post

No unread posts   Using 'Unique Solution' to help solve

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tommyp0123

14

12180

Sat May 18, 2013 2:30 pm

pnm View the latest post

No unread posts   The most difficult 9x9: Fully analytical, step by step

clm

7

20539

Tue Apr 30, 2013 5:08 pm

clm View the latest post

No unread posts   Killer Sudoku with inequalities: A few tips.

clm

1

5877

Sun Nov 11, 2012 6:06 am

jake4 View the latest post

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