Theme: Clue Symmetry and Logic
Author/Opus: This is the 66th puzzle from our contributing puzzlemaster Serkan Yürekli.
Rules: Fill the grid with digits from 1-5 (1-4 in example below) so that each digit appears exactly once in every row and column. When digits touch vertically, the upper digit must always be bigger.
Answer String: Enter the values in each cell in the marked rows, using a capital X for blank cells. The example has the solution “412X3X,324X1X”.
Time Standards (highlight to view): Grandmaster = 2:15, Master = 3:00, Expert = 6:00
Note: Follow this link for other less common Number Placement puzzles.