Kakuro XIII

Psycho Sudoku!
By PSYCHO SUDOKU  |  September 12, 2007

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070913_psycho_sudoku

Fill in each square with a digit from 1 to 9. The sum of the digits in each row or column will equal the little number to the left of or above it. See the two-box row at the upper left with a 10 to its left? The sum of the digits in those two boxes will be 10, and neither of the digits will be the same. A row or column ends at a black square, so the two-box row in the upper-middle with a 9 to its left may or may not have digits in common with the 10-row to its left since they’re separated by a black square. Down columns work the same way. Now solve!
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