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All right, punk: listen with your good ear. Put one number in each square in this Sudoku so that the following two conditions are met: A) each row, column, and 3x3 box (as marked off by shading in the grid) contain the numbers 1-9 exactly one time; and B) the sums of the numbers in each area marked off by heavy black lines total the little number given in each of those areas. For exacmple, the digit in the square the upper-left corner of the grid and the digit in the square right under it will add up to 5. You can add, can't ya, junior?
