![Kakuro 1,413 medium 12 Sept 2014](https://webarchive.library.unt.edu/untcsid/20140912092534im_/http://static.guim.co.uk/sys-images/Guardian/Pix/pictures/2014/9/8/1410193996826/Kakuro1413medium12Sept2014.jpg)
Fill the grid so that each run of squares adds up to the total in the box above or to the left. Use only numbers 1-9, and never use a number more than once per run (a number may reoccur in the same row, in a separate run).
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