Sudoku Xtra Specials: Sudoku 25x25 Volume 1

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Sudoku Xtra Specials. Sudoku 16x16 Volume 1. TM. >> Instructions. Sudoku 16x16 uses similar rules to a standard Sudoku puzzle, except that rather than being ...
Sudoku Xtra Specials Sudoku 16x16 Volume 1 TM

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Sudoku 16x16 Volume 1 >> Instructions

Sudoku 16x16 uses similar rules to a standard Sudoku puzzle, except that rather than being 9x9 the puzzle is now 16x16. This means that you must not only place the digits 1 to 9 but also the letters A to G into the grid. So the full rules are very simple: > Place 1 to 9 and A to G into every row, column and bold-lined 4x4 box A completed grid will look something like this:

C 2 B D 8 3 G 1 A 9 7 5 E 6 4 F

A F 4 5 2 9 B 6 8 E C G D 7 1 3

G 8 9 6 C 7 4 E D F 1 3 2 B A 5

1 7 3 E F A D 5 4 2 6 B G 8 C 9

E G C B 4 D A 7 6 3 F 9 5 2 8 1

3 D 1 2 5 6 9 C 7 A G 8 B E F 4

6 4 A 8 G 2 E F 1 B 5 C 3 D 9 7

F 9 5 7 B 1 3 8 E D 2 4 A C 6 G

B E G 9 1 4 2 A 3 5 8 6 C F 7 D

D C 6 3 7 E F B 2 4 9 1 8 G 5 A

8 5 F 1 D C 6 G B 7 E A 4 9 3 2

7 A 2 4 3 5 8 9 G C D F 6 1 B E

9 6 7 G A 8 5 2 C 1 4 E F 3 D B

2 3 E A 6 F 1 D 5 8 B 7 9 4 G C

5 1 8 F E B C 4 9 G 3 D 7 A 2 6

4 B D C 9 G 7 3 F 6 A 2 1 5 E 8

There are 50 of these large puzzles in this book - so good luck! For even more puzzles, check out Sudoku Xtra magazine each month - see www.SudokuXtra.com. ©Dr Gareth Moore - www.SudokuXtra.com

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Sudoku 16x16 Volume 1

>> Puzzle 1

B 8 6 D A 3 9 B C 5 D 2 E F G B F G 9 3 8 E 4 6 3 4 B E 6 D 7 5 F 9

A E 1 5 9 1 3 6 8 C 2 4 C 1 A F 2 7 D F 2 8

B E F C

G 2 D 9

2 1 3 D 9 C 5 B 4 F G C 8 2 B 4 1 1 D 2 A 7 D 8 7 5 6 F 4 C D 5 3 F G 5 5 A 1 3 2 G A G D E 3 C

Published by and Copyright © 2010 Dr Gareth Moore. See www.SudokuXtra.com for printed or download copies of other books, or email [email protected]. No unauthorised reproduction in any form permitted. You may print or reproduce copies for your personal use only.

Sudoku 16x16 Volume 1

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>> Puzzle 2

A 6

9 1 B 2 G 8 5 A 1 4 9 9 B 2 7 1 C 3 7 G A F 1 4 B 6 2 5 A 1 F G D 4 2 3 7 7 A 1 2 D F 3 A C 6 E A 8 1 D 1 2 F 8 8 3 7 5 D 6 9 B E 8 G E 8 1 C A E F 4 B 9 5 F G C A 2 3

F 7 C 1

G B 2

5 7

4 A 6 B C F 9 4 7 3 G 5 A B 1 C 3 6 7 4 B

©Dr Gareth Moore - www.SudokuXtra.com

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Sudoku 16x16 Volume 1

>> Solution 1

B D 7 C 8 2 F 1 A 3 E 9 4 G 6 5

8 A 9 G C E 3 6 2 7 4 5 1 B D F

F 3 1 E 5 9 G 4 D 8 B 6 2 C 7 A

6 2 4 5 7 D A B G F C 1 E 3 8 9

>> Solution 2

G 8 B 2 D 5 4 F 9 6 7 3 A E C 1

A 1 3 7 9 B E C 4 5 D 8 G 6 F 2

E F 5 4 A 7 6 2 C 1 G B 3 D 9 8

C 6 D 9 1 3 8 G E A F 2 7 4 5 B

4 7 A B E F C 5 3 G 2 D 9 8 1 6

2 9 F D 3 6 1 A 7 4 8 C B 5 E G

1 C 8 6 4 G B 7 5 E 9 A F 2 3 D

5 E G 3 2 8 9 D 6 B 1 F C A 4 7

3 G 2 1 6 C 5 8 F 9 A 4 D 7 B E

7 5 E F B A D 3 1 C 6 G 8 9 2 4

D B C A F 4 7 9 8 2 5 E 6 1 G 3

9 4 6 8 G 1 2 E B D 3 7 5 F A C

>> Solution 3

3 5 9 F 4 8 C 2 1 7 B E 6 A D G

6 E G D 3 A 1 F 9 5 4 2 7 B C 8

1 A B 8 E 7 G 9 C D 6 F 2 3 5 4

7 2 4 C 5 B 6 D A G 8 3 E 1 F 9

D G 9 8 3 2 F B 5 C 1 4 7 E A 6

A 2 E 4 1 C G 7 D 6 9 8 5 B 3 F

6 F 3 1 8 5 E 9 7 B 2 A D 4 C G

C 7 B 5 4 6 D A F E G 3 1 8 2 9

G 8 F C 9 3 4 D 1 A B 2 6 5 E 7

9 B 2 6 7 A 5 8 G 4 F E 3 1 D C

1 5 4 3 B E 2 6 C 8 D 7 9 G F A

E A D 7 F G C 1 3 5 6 9 B 2 4 8

3 1 5 G C F 8 2 A 9 4 6 E 7 B D

B 4 C A 6 D 3 G E 1 7 5 8 F 9 2

2 D 7 E A 1 9 5 B F 8 G 4 C 6 3

8 9 6 F E B 7 4 2 D 3 C G A 5 1

4 6 G D 2 8 A C 9 7 E B F 3 1 5

F 3 A B G 7 1 E 6 2 5 D C 9 8 4

7 E 8 2 5 9 6 F 4 3 C 1 A D G B

5 C 1 9 D 4 B 3 8 G A F 2 6 7 E

F 6 2 1 5 3 E 4 D A G 9 7 C B 8

E 8 G A 6 B C 7 5 1 F 2 D 3 9 4

4 5 D 9 8 G 1 F B 3 C 7 6 E 2 A

B C 7 3 2 D A 9 4 8 E 6 F G 1 5

A 2 F 8 7 4 G 6 E 9 D C 5 B 3 1

D 7 E B 1 2 9 A 3 6 5 F G 8 4 C

5 1 3 4 F C D E 8 G 2 B 9 7 A 6

C G 9 6 3 5 8 B A 7 4 1 2 D E F

2 D B 5 A F 6 8 9 4 7 E C 1 G 3

8 E A C B 1 5 2 G D 6 3 4 F 7 9

G 4 1 F 9 7 3 C 2 5 B 8 E A 6 D

9 3 6 7 G E 4 D F C 1 A 8 2 5 B

>> Solution 4

4 D C 9 2 6 3 5 7 1 E A G 8 B F

E B 8 7 D G 4 A F C 2 9 3 5 1 6

2 1 A 5 8 F E C G 6 3 B D 9 4 7

G 6 F 3 B 1 9 7 5 4 D 8 C E 2 A

D G 5 1 7 9 A 3 2 F C 6 8 4 E B

F 3 6 A C D B 4 E 8 9 7 1 2 G 5

C 7 2 4 1 E F 8 3 B G 5 A 6 9 D

9 8 E B 6 5 2 G 4 A 1 D F C 7 3

©Dr Gareth Moore - www.SudokuXtra.com

B 9 7 2 A 3 5 1 8 E F G 4 D 6 C

A 4 D E G 2 7 6 B 3 5 C 9 F 8 1

5 C 3 6 F 4 8 E D 9 7 1 B G A 2

8 F 1 G 9 C D B 6 2 A 4 5 7 3 E

6 F 5 G 4 8 7 3 1 2 A D B 9 C E

3 9 4 D C A B 5 7 E 8 G 1 6 F 2

1 B C E D 9 2 G 6 F 3 4 A 5 8 7

7 A 8 2 E 6 F 1 C B 9 5 3 4 D G