Killer Sudoku - 400 Master Puzzles 6x6 Vol.8

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Killer Sudoku is a mix of Sudoku and Kakuro. Your goal is the same as in regular sudoku: fill every row, column and 3x2 region with the numbers 1-6 once. The difference is how you arrive at those numbers.The objective is to fill the grid with numbers from 1 to 6 in a way that the following conditions are met: Each row, column, and nonet contains each number exactly once.The sum of all numbers in a cage must match the small number printed in its corner.No number appears more than once in a cage. (This is the standard rule for killer sudoku, and implies that no cage can include more than 6 cells.