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[guest]

1_5 4_9 3_6
__3 1__ __5
692 735 418
536 _74 ___
7__ ___ _34
__4 ___ 657
25_ _4_ 76_
__7 __1 __3
3_8 9_7 _42

I am completely stuck at this point. Does anyone know a next move?

Thanks,

Brad

[wahaha]

there is a pair of hidden (1,9) in r5c5 & r6c5

after that, every think will run smoothly

[akif]

I was stuck at this point

175 489 326
--3 1-2 -7-
-92 73- -18

536 -74 ---
7-- --- -34
--4 --- 657

25- -4- 76-
--7 -21 ---
3-8 9-7 -42

Can anyone hepl ??

[dotdot]

Hallo akif

One way forward is to see that r7c4 and r7c6 between them contain 3 and 8 and nothing else, i.e. {3,8}.
Although we don't know exactly where this 3 is, it affects what can be a 3 in box9, i.e. r7c9 can't be a 3.

Having found the 3 in box9, you could continue in the same sort of vein with {1,9} in col9.

By the way, you have arrived at an interesting constellation with row7 and box8.
Because the unshared parts of row7 and the unshared part of box8 must have the same values, fitting one into the other leads directly to
{1,9} in r7c3 and r7c9
{5,6} in r8c4 and r9c5.

[Jared]

did anybody finish this one with multiple solutions?

[Bucky]

Yes. My coworker and I came up with different solutions for this puzzle. Strange.

--Bucky

[geoff h]

Hi there,

Actually, there is only one solution to this problem. If you send me what you ended up with, maybe I can help you??

Cheers.

[alanr555]

> You have arrived at an interesting constellation with row7
> and box8.
> The unshared parts of row7 and the unshared part
> of box8 must have the same values

This is an excellent way of explaining this logical phenomenon.
It suggests a "visual" approach to solution rather than the
searching for patterns within profiles held within cells.

+++

Line 5 was quite interesting in that the line profile started as
(4)(7)(1235689)
and at one point became
(3)(4)(7) (19)(28)(56)
with three pairs on the same line.
Has anyone encountered FOUR pairs in the same line?

+++

Alan Rayner BS23 2QT

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