Timer 00:00:00 Sudoku Sudoku

## if (sTodaysDate) document.write('Sudoku for ' + sTodaysDate.split('-')[0] + '/' + monthname() + '/' + sTodaysDate.split('-')[2]); else document.write('Enter your own sudoku puzzle.')

Help

Play this pic as a Jigsaw
or Sliding Puzzle
Previous / Next

Choose a number, and place it in the grid above.
 1 2 3 4 5 6 7 8 9
This number is a possibility
 Automatically remove Possibilities Allow incorrect Moves Clicking the playing grid places the current number Highlight Current Square Grey out Used Numbers Possibilities in Grid Format
Check out the latest post in the Sudoku Forum

16 x 16 broken?

Submitted by: barclay

 Indicate which comments you would like to be able to see GeneralJokesOtherSudoku Technique/QuestionRecipes
 1. Unique possibilities to 27. Note df1=27.2. Whether d9=5,d2=6,d46=12;OR d9=17;f4=4;(or else Unresolvable 127 @ df149).UP34.3. Whether i9=9,b9=7=i4;OR i4=9;OR i2=9=a1,h1=8,gh5=29,b4=9,i4=7;i3=8.UP39.4. Whether a6=7;OR a6=9=e4;i4=7.UP81. 17/Jan/18 5:28 AM |  |
 A tree with an interesting name Kate. 17/Jan/18 7:16 AM |  |
 Nice finding, your deadly pattern, Alfred ! It shortens the path by a lot of steps, and without the DP, the puzzle is just boring. I was just wondering why such a punishment... So, in Eureka:(SE = 8.5) Basics to 271. DP(27)df1,(12)df4,(17)df9 using mixed external-internal More... 17/Jan/18 8:56 AM |  |
 37:09 17/Jan/18 10:16 AM |  |
 Hi cenoman. I needed a Kraken for step 2 (i4<>7, whether 9 @ i249). Could you check your step 2 please. I have 789 @ a6 and 189 @ a1, so I could not follow your step 2. And even if a1 becomes 8, can't h3 still become 8?Best regards, Alfred. 17/Jan/18 11:31 AM |  |
 Hi Alfred, my mistake !I took an option for a krakenless path, but two intermediate steps remained stuck in my keyboard !Those are two steps I recycled from my desperate search for a reasonably long path, until I read your tricky DP...So, here is my complete path:1. More... 17/Jan/18 10:01 PM |  |

Not a member? Joining is quick and free.
As a member you get heaps of benefits.
You can also try the Chatroom (No one chatting right now - why not start something? )
Check out the Sudoku Blog     Subscribe
 Easy Medium Hard Tough Or try the Kids Sudokus (4x4 & 6x6) 16x16 or the Parent's Page.
Printer Friendly versions:
 Members Get Goodies! Become a member and get heaps of stuff, including: stand-alone sudoku game, online solving tools, save your times, smilies and more!
 Welcome our latest Membersmskatal from Israelcomokaze from Pennsylvaniagwyhel from Barossa Valley
 Member's Birthdays TodayNone Today.