Quad Sums Sudoku

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Place a digit from 1 to 9 into each of the empty squares so that each digit appears exactly once in each of the rows, columns and the nine outlined 3x3 regions.

One of the numbers in the four cells around a dot is the num of the other three numbers.

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Keyboard Touch screen

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In order to get the best gaming experience on smart devices such as smartphones or ipads, the touch screen mode is preferred. On your PC, you can choose keyboard mode or touch screen mode according to your preference.

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Quad Sums Sudoku

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