Last Number Sum Search Sudoku

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Last Number Sum Search Sudoku

Postby Pyrrhon » Thu Jun 21, 2007 7:41 pm

Here a crossover between last number and sum search sudoku.

Fill in the grid so that every row, every column, and every 3 x 3 box contains the digits 1 through 9.

A red arrow means that the digits are going up till they hit this number and for a cyan arrow
they go down till they hit this particular number.

For example:

135247896 could get a red arrow with a 5 or a cyan arrow with a 1.
932415678 could get a red arrow with a 9 or a cyan arrow with a 2.

The sums of the digits within each sub-region are equal to each other. In sub-regions there can't be the same digit repeated.

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Postby Smythe Dakota » Sat Jun 23, 2007 3:34 pm

Pyrrhon wrote:.... The sums of the digits within each sub-region are equal to each other. ....

Does that mean that all 20 (if I counted correctly) of the sub-regions have the same sum?

Bill Smythe
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Postby Pyrrhon » Sun Jun 24, 2007 6:27 pm

Yes, they have.
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