The New Sudoku Players' Forum

[cal]

I've spent 2 days on this puzzle. Can't solve.
Hard trial #1 2nd set is what I've got. I had to change the 5 in row 6, column 8 to make it work. Help. cal

3**2****7 391285647
***1*7*** 845167932
7*6*3*5** 726934518
*7***9*8* 672459183
9***2***4 938621754
*1*8***5* * 514873269
**9*4*3*1 289546371
***7*2*** 463712895
*****8**6 157398426

[scrose]

The original grid has a unique solution and can be solved without guessing. You are not supposed to change the given clues.

You might be missing a clue from r9c1, which would make the puzzle symmetrical. Place a 5 at r9c1 to make the puzzle much easier -- highlight the text to reveal the clue.