dailysudoku.com

[anna]

llllll

[anna]

0/0/0 9/1/0 0/0/0
3/0/0 0/2/2 2/1/0
1/7/5 0/0/8 6/2/9

0/5/2 0/0/0 4/9/6
6/0/0 5/0/9 2/3/7
0/0/0 0/6/0 1/8/5

5/0/6 8/0/0 9/4/0
0/8/0 0/5/0 0/0/2
0/0/0 0/9/4 0/0/0

the hint says that there should be a 1 in column 3, row 5...
can somebody explain why this is because i can't work it out?
thanks!

[Guest]

sorry,,, i made a typo
it should be

0/0/0 9/1/0 0/0/0
3/0/0 0/2/0 0/1/0
1/7/5 0/0/8 6/2/9

0/5/2 0/0/0 4/9/6
6/0/0 5/0/9 2/3/7
0/0/0 0/6/0 1/8/5

5/0/6 8/0/0 9/4/0
0/8/0 0/5/0 0/0/2
0/0/0 0/9/4 0/0/0

[someone_somewhere]

Hi,
Ok, here the help for the first number:

3 not in r1c6, it is in r3c4 or r3c5 (Row on 3x3 Block interaction)
4 not in r2c4, it is in r3c4 or r3c5 (Row on 3x3 Block interaction)
3 not in r6c4, it is in r4c4 or r4c5 or r4c6 (Row on 3x3 Block interaction)
3 not in r6c6, it is in r4c4 or r4c5 or r4c6 (Row on 3x3 Block interaction)
7 not in r8c4, it is in r7c5 or r7c6 (Row on 3x3 Block interaction)
7 not in r8c6, it is in r7c5 or r7c6 (Row on 3x3 Block interaction)
7 not in r9c4, it is in r7c5 or r7c6 (Row on 3x3 Block interaction)
1 not in r8c3, Hidden Pair 4 9 in r8c1 and r8c3 (in Row)
3 not in r8c3, Hidden Pair 4 9 in r8c1 and r8c3 (in Row)
7 not in r8c1, Hidden Pair 4 9 in r8c1 and r8c3 (in Row)
7 not in r8c3, Hidden Pair 4 9 in r8c1 and r8c3 (in Row)
1 not in r7c6, it is in r8c4 or r8c6 (Row on 3x3 Block interaction)
1 not in r9c4, it is in r8c4 or r8c6 (Row on 3x3 Block interaction)
7 not in r9c7, it is in r8c7 or r8c8 (Row on 3x3 Block interaction)
7 not in r9c8, it is in r8c7 or r8c8 (Row on 3x3 Block interaction)
1 not in r9c3, Hidden Pair 3 7 in r6c3 and r9c3 (in Column)
4 not in r6c3, Hidden Pair 3 7 in r6c3 and r9c3 (in Column)
9 not in r6c3, Hidden Pair 3 7 in r6c3 and r9c3 (in Column)
1 in r5c3 - Unique Vertical

from here on, you have to swim alone to the solution.
good luck.

see u,

[anna]

ah, thanks a lot,, the bit i didn't see was the 3/7 pair in the third column! i.ve been looking at that for ages, and i even circled all the numbers which their was only a pair of in each column/row but for some reason i didn't see that 7!!
thanks

[someone_somewhere]

gald I could help you.

see u, nice lady