summary: A 16x16 grid sudoku puzzle - #2 - very difficult.

 solve

 sudoku

  16x16 supersu puzzle #2 set by bill purvis.                    to the solution >
   
  <home               go here for a printable version >           to 16x16 puzzle #1> & #3

supersu #2

c1
c2
c3
c4
 
c5
c6
c7
c8
 
c9
c10
c11
c12
 
c13
c14
c15
c16
 
 
13
 
 

   
 
 

4
   
2
 
 

 


11

7
r1
box

1
2
3
&
4
 
15
box 1
16


 
box 2 
7


8
 
box 3 
12


13
 
box 4
6

3

r2
 
 

5

7
 
9

2


 
15

11


 

16

14

r3
 

10

2

11
 



 


5

7
 



r4

 
12


1


 


8

 
4


11

16
 



r5
box

5
6
7
&
8
 
box 5


 
box 6

16

 
box 7
5

7

8
 
box 8
15


9
r6


2

11

 

6

9

 

13


15
 
14

10


r7
 
14
 
 
10
 
 
1
 
 
5
 
7
   
6
 
9
 
 
 


8

12
r8

1

7


 


6

5
 
12

10


11
 

8

9

14
r9
box

9
10
11
&
12

box 9

16

15
 
11
box 10

7

 
box 11
2

9

 
box 12
4


r10
 
6


12

 
14


10

 

8


 



r11




 
8

12


16
 

15


 

1

6

13
r12




 
13

10


 



 
3

7

12

r13 box

13
14
15
&
16

box 13
5

15

 
box 14


1
 
box 15

6

12
 
10
box 16
14


r14


9

7

 
16


4

 
13


15

 


5

6
r15

2

13


 



6
 
8



 



16
r16


first posted 31st August 2005

These are the solvers in the order received - congratulations to you all. The solution will be published in a few weeks, after which no more names will be added to the list. Alan Guard was first to reply - 5 days after the puzzle was published. Remarkable!    ** rw 12th. September 05 **

Alan Guard, Weston-Super-Mare Lydia Escobar-Blanco Darie Cheung Alison Elkin Ian Gorton Lawrence Mui Matt Caddick Angela Ash Wes Cheng John Ullyatt Theresa O'Rourke Karin Olsson John Mustard Martin Skidmore Karen Hopa Tsehaia Jim Stevenson Larry Acton Brian Weischedel Rumpa Biswas Kelly Richardson Walt Bell, Pleasanton, CA Gaetano Genovese, Milan



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15th january 2010 © 2014

roger walker 2005