Book Resources – Unlocking Sudoku

Unlocking Sudoku: The Art of Seeing the Logic

Four Volume Series
Edition: 2026
Published: November 20, 2025

Book Resources

Welcome to the book resources section. Here, you will find the puzzle strings for each example puzzle from all four volumes. Additionally, we have included a selection of sample chapters for you to browse.

We will also post any reports of errors, typos, grammatical issues, omissions, and other concerns as we become aware of them.

Each book in the series

Single-Line Puzzle Strings

Below are the single-line puzzle strings from each example puzzle found in the four volumes. To access the desired string, you will need to know the volume number of the book and the figure number for the example puzzle. Once you have that information, simply use it to reference the appropriate string below. Note: Copy strings individually as needed. Each copy replaces the previous one in your clipboard, unless you're using a clipboard manager.

Jump to: Volume Two | Volume Three | Volume Four

Volume One

Figure 8-1

Figure 9-1

Figure 9-2

Figure 9-3

Figure 10-1

Figure 11-1

Figure 12-1

Figure 12-2

Figure 12-3

Figure 14-1

Figure 14-2

Figure 14-3

Figure 14-4

Figure 14-5

Figure 15-1

Figure 15-2

Figure 15-3

Figure 15-4

Figure 15-5

Figure 15-6

Figure 16-1

Figure 16-2

Figure 16-3

Figure 16-4

Figure 18-1

Figure 18-2

Figure 18-3

Figure 18-4

Figure 18-5

Figure 18-6

Figure 19-1

Figure 19-2

Figure 19-3

Figure 19-4

Figure 19-5

Figure 20-1

Figure 20-2

Figure 20-3

Figure 20-4

Figure 20-5

Volume Two

Figure 3-1

Figure 3-2

Figure 3-3

Figure 3-4

Figure 3-5

Figure 3-6

Figure 4-1

Figure 4-2

Figure 4-3

Figure 4-4

Figure 4-5

Figure 4-6

Figure 5-1

Figure 5-2

Figure 5-3

Figure 5-4

Figure 5-5

Figure 5-6

Figure 6-1

Figure 6-2

Figure 6-3

Figure 6-4

Figure 6-5

Figure 6-6

Figure 7-1

Figure 7-2

Figure 7-3

Figure 7-4

Figure 7-5

Figure 7-6

Figure 8-1

Figure 8-2

Figure 8-3

Figure 8-4

Figure 8-5

Figure 8-6

Figure 10-1

Figure 10-2

Figure 10-3

Figure 10-4

Figure 10-5

Figure 10-6

Figure 11-1

Figure 11-2

Figure 11-3

Figure 11-4

Figure 11-5

Figure 11-6

Figure 12-1

Figure 12-2

Figure 12-3

Figure 12-4

Figure 12-5

Figure 12-6

Figure 13-1

Figure 13-2

Figure 13-3

Figure 13-4

Figure 13-5

Figure 13-6

Figure 14-1

Figure 14-2

Figure 14-3

Figure 14-4

Figure 14-5

Figure 14-6

Figure 15-1

Figure 15-2

Figure 15-3

Figure 15-4

Figure 15-5

Figure 15-6

Volume Three

Figure 1-1

Figure 1-2

Figure 1-3

Figure 1-4

Figure 1-5

Figure 1-6

Figure 2-1

Figure 2-2

Figure 2-3

Figure 2-4

Figure 2-5

Figure 2-6

Figure 3-1

Figure 3-2

Figure 3-3

Figure 3-4

Figure 3-5

Figure 3-6

Figure 4-1

Figure 4-2

Figure 4-3

Figure 4-4

Figure 4-5

Figure 4-6

Figure 5-1

Figure 5-2

Figure 5-3

Figure 5-4

Figure 5-5

Figure 5-6

Figure 6-1

Figure 6-2

Figure 6-3

Figure 6-4

Figure 6-5

Figure 6-6

Figure 7-1

Figure 7-2

Figure 7-3

Figure 7-4

Figure 7-5

Figure 7-6

Figure 7-7

Figure 7-8

Figure 7-9

Figure 7-10

Figure 7-11

Figure 7-12

Figure 7-13

Figure 7-14

Figure 7-15

Figure 7-16

Figure 7-17

Figure 7-18

Figure 7-19

Figure 7-20

Figure 7-21

Figure 7-22

Figure 7-23

Figure 7-24

Figure 8-1

Figure 8-2

Figure 8-3

Figure 8-4

Figure 8-5

Figure 8-6

Figure 9-1

Figure 9-2

Figure 9-3

Figure 9-4

Figure 10-1

Figure 10-2

Figure 10-3

Figure 10-4

Figure 10-5

Figure 10-6

Figure 11-1

Figure 11-2

Figure 11-3

Figure 11-4

Figure 11-5

Figure 11-6

Figure 11-7

Figure 11-8

Figure 11-9

Figure 11-10

Figure 12-1

Figure 12-2

Figure 12-3

Figure 12-4

Figure 12-5

Figure 12-6

Figure 12-7

Figure 12-8

Figure 12-9

Figure 12-10

Figure 12-11

Figure 12-12

Figure 12-13

Figure 12-14

Figure 12-15

Figure 12-16

Figure 12-17

Figure 12-18

Figure 13-1

Figure 13-2

Figure 13-3

Figure 13-4

Figure 13-5

Figure 13-6

Figure 13-7

Figure 13-8

Volume Four

Figure 4-1

Figure 4-2

Figure 4-3

Figure 4-4

Figure 4-5

Figure 4-6

Figure 4-7

Figure 4-8

Figure 4-9

Figure 4-10

Figure 4-11

Figure 4-12

Figure 4-13

Figure 4-14

Figure 4-15

Figure 5-1

Figure 5-2

Figure 5-3

Figure 5-4

Figure 5-5

Figure 6-1

Figure 6-2

Figure 6-3

Figure 6-4

Figure 6-5

Figure 7-1

Figure 7-2

Figure 7-3

Figure 7-4

Figure 7-5

Figure 7-6

Figure 7-7

Figure 7-8

Figure 7-9

Figure 7-10

Figure 7-11

Figure 7-12

Figure 7-13

Figure 7-14

Figure 7-15

Figure 7-16

Figure 7-17

Figure 7-18

Figure 7-19

Figure 7-20

Figure 7-21

Figure 7-22

Figure 7-23

Figure 7-24

Figure 7-25

Figure 7-26

Figure 7-27

Figure 7-28

Figure 7-29

Figure 7-30

Figure 7-31

Figure 8-1

Figure 8-2

Figure 8-3

Figure 8-4

Figure 8-5

Figure 9-1

Figure 9-2