The Puzzle Robot #1 – Smashed Sums
or solve online (using our beta test of Penpa-Edit tools; use tab to shift between number entry and shading modes.)
Theme: Declining Odds
Rules: Fill each row and column of the grid with the numbers 1-4 and two blackened cells. Numbers outside the grid indicate the sum of the digits between the two blackened cells in that row/column. Blackened cells are allowed to touch. Or see here.
Answer String: Enter the 4th row from left to right, followed by a comma, followed by the 6th row from left to right. Use an X (capital letter) for each blackened square.
Time Standards (highlight to view): Grandmaster = 1:30, Master = 2:15, Expert = 4:30
Solution: PDF
1:48 on paint.
Good to see Serkan!
4:08s
Nice puzzle