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Pathfinder Sudoku

Psycho Sudoku!
By GARY DISCH  |  April 26, 2006

Click here for Psycho Solution!

Psycho Sudoku - 4.28.06

413296741692548518261385 5234617  57347
 41525 418767 4962385 54935 582127
416794  458783785 49767 54939295 

This one's tough, junior. Your job this week is to place the 14 chains of numbers printed below into the grid so that, as with a normal Sudoku, every row, column, and 3x3 box contains the numbers 1-9 exactly one time. These chains will run through the grid, so if you're given a chain like 47563, it may run that way in the puzzle, or it may need to be 36574. A few things to keep in mind: notice that the 6 in the center of the grid is walled off, and not part of any chain. Also, all the chains in the grid will overlap on their first and last numbers: one chain may be 47563, and the next one it connects to 38192, the 3 at the end of one chain being the same 3 that begins the next. Also, note that the 3x3 boxes are shaded in this puzzle for clarity's sake. When you're done, all 14 chains will be used. Finally, the chains are given above in numberical order, not in the order they go in the grid; that's up to you to figure out.

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