Theme: Empty Inside
Author/Opus: This is the 179th puzzle from our contributing puzzlemaster Prasanna Seshadri.
Rules: Standard Sudoku rules. Additionally, the numbers outside the grid indicate the sum of the first N cells in that row/column from that direction, for some value of N from 1 to 9.
Answer String: Enter the 8th row from left to right, followed by a comma, followed by the 5th column from top to bottom.
Time Standards (highlight to view): Grandmaster = 12:00, Master = 18:00, Expert = 36:00
Solution: PDF
Note: Follow this link for other variations of Sudoku and this link for classic Sudoku. If you are new to this puzzle type, here are our easiest Sudoku to get started on.
The post Frameless Sudoku by Prasanna Seshadri appeared first on The Art of Puzzles.