Smashed Sums by Ashish Kumar
or solve online (using our beta test of Penpa-Edit tools; use tab to shift between number entry and shading modes.)
Theme: Even Vs Odd
Author/Opus: This is the 97th puzzle from our contributing puzzlemaster Ashish Kumar.
Rules: Fill each row and column of the grid with the digits 1 to 4 and two blackened cells. Numbers outside the grid indicate the sum of the digits between the two blackened cells in that row or column. Blackened cells are allowed to touch. Or see here.
Difficulty: 2 stars
Time Standards (highlight to view): Grandmaster = 1:30, Master = 2:30, Expert = 5:00
Solution: PDF and solving video.
Note: Follow this link for other less common Number Placement puzzles.
3 mins, love Smashed Sums
I’m really bad at it, but I like it anyway 😀 Time to get better and grab that expert time…