dailysudoku.com

Nenthorn · Joined: 13 Nov 2005 Posts: 11 Location: Scotland

Stuck again. This seemed to be over the hump, but I can't for the life of me see where to go next. Will some kind soul put an end to my misery? What am I missing this time?

080 000 010
920 803 040
003 045 028
002 490 001
039 000 472
140 327 600
200 684 100
000 709 254
090 000 867

Steve R · Posted: Mon Mar 06, 2006 2:48 pm Post subject: 5-MAR-06 very hard

One way forward is to chase the 6s.

In b2 and b3 the 6s occupy rows 1 and 2 so that in b1 6 occupies row 3. This means it falls into column 1 or column 2. But the same applies to the 6 in b4. So the 6 in b7 lies in column 3 and there is only one place for it: r8c3.

Steve

Nenthorn · Joined: 13 Nov 2005 Posts: 11 Location: Scotland

Thanks, Steve. You're a good man.

jupipi · Joined: 13 Feb 2006 Posts: 3 Location: Córdoba.-Spain

Steve, in your response to Nenthorn, you say : " But the same applies to the 6 in b 4". Will you explain to me how I do this?. Thanks in advance.

keith · Posted: Fri Mar 10, 2006 9:58 pm Post subject:

I believe he means:

The 6's in B2 and B3 are not in R3. So, the 6 in B1 is in R3, which means it is not in C3. So, the 6 in C3 must be in R8, if it is not in B1.

Keith

jupipi · Joined: 13 Feb 2006 Posts: 3 Location: Córdoba.-Spain

Thanks, Keith, with your aid I have completed this sudoku.Thanks also to Steve.