## Help with a very hard puzzle

Post the puzzle or solving technique that's causing you trouble and someone will help

### Help with a very hard puzzle

This puzzle was generated by a computer program. I know all of the answers to this point are correct but of course don't know if the pencil marks are correct. I would think that enough information is filled in that it should be fairly straight forward at this point but I can't see the next move. Thanks for any help you can give me.

Code: Select all
`16   |2    |7    |8    |36   |5    |13   |4    |9    689  |369  |5    |1    |3467 |347  |2    |78   |38   18   |4    |38   |9    |37   |2    |1378 |5    |6    -----+-----+-----+-----+-----+-----+-----+-----+-----489  |39   |6    |234  |5    |1    |489  |289  |7    4789 |1    |2    |6    |89   |47   |489  |3    |5    5    |3479 |38   |2347 |89   |347  |6    |2789 |1    -----+-----+-----+-----+-----+-----+-----+-----+-----2    |8    |9    |5    |347  |6    |347  |1    |34   67   |5    |4    |37   |1    |8    |379  |679  |2    3    |67   |1    |47   |2    |9    |5    |678  |48   `
wdouglasla

Posts: 1
Joined: 28 May 2006

Since you have a 4 in r3c2, you can eliminate the one in r6c2. Then in row 6 both remaining 4's are in box 5 (therefore cant be elsewhere in that box) and you can eliminate 4 from r4c4 and r5c6.
ravel

Posts: 998
Joined: 21 February 2006