Place the digits 1 to 9 in every row, column, 3x3 standard block. Besides the sum of the digits inside same coloured horizontal cell groups add up to 14. Also there exist 3 vertical cell groups which are represented with shaded cells. The digits inside these vertical cell groups also add up to 14.
Happy Valentine's Day for all lovers :))
Solution code: Row 5, followed by column 5.
on 12. June 2016, 21:28 by skypper
Dieses Rätsel wollte nicht mit mir reden