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Sudoku’s

 

SUDOKU WEEKLY—SUDOKU MONTHLY—SUDOKU QUARTERLY

Sudoku weekly contains a Sudoku for each day of the week. Sudoku weekly is only available as a downloadable and printable pdf file. Downloads are for free. The week presently available is Week 40, 2019.

July 2017 was the first month in which all Sudoku’s were Magic: Each Sudoku contains one or more gray blocks. In the solution, these gray blocks should also be magic. This means that each row and each column should add to 15 and all nine digits should occur. Each week, the Sudoku on Monday has one magic block, the Sudoku on Tuesday has two magic blocks and so on. On Sunday all blocks are magic. 

Sudoku monthly consists of the five Sudoku weekly’s overlapping a month.  Sudoku monthly is available at Bruna’s. Sudoku Monthly costs € 1.75.

Sudoku quarterly consists of the 13 Sudoku weekly’s of a quarter and — starting in 2019 — costs € 8.75.   The fourth quarter of 2019 is now available.  Sudoku quarterly magazine is distributed worldwide by Newsstand. In the United Kingdom it costs £ 4.00.

Subscription.  You can subscribe to Sudoku quarterly 2019 (Four issues for € 30.00). Use the order form below

Background

The Sudoku’s are generated using a computer program written in the programming language of the statistical package R. The results are written to LaTeX files which can readily be printed in the proper layout. The system was developed by Herman Adèr.
At first, the magic Sudokus in Sudoku weekly only contained at most three magic blocks, but, starting in Week 26, 2017, all Sudoku’s are Magic.

 

 

DOWNLOADABLE

Sudoku weekly (Week 40, 2019)

SUDOKU MONTHLY (2017)

JANUARYFEBRUARYMARCH
APRILMAYJUNEJULY
SEPTEMBEROCTOBER

SUDOKU QUARTERLY 2018

In the Netherlands:
First quarter (2018)Second quarter (2018)
Third quarter (2018)Fourth quarter (2018)

SUDOKU QUARTERLY 2019

In the Netherlands:
First quarter (2019)Second quarter (2019)
Third quarter (2019)Fourth quarter (2019)

SUBSCRIPTION

The Netherlands

Subscription to Sudoku quarterly (2019)

Worldwide

Subscription to Sudoku Quarterly Magazine

 

For more information: see the website: www.jvank.nl/Sudokus


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