## Thursday, March 8, 2018

Frame Sudoku Puzzle is very interesting Mathematical Sudoku variation. X Sum Frame Sudoku Puzzle is extension of Frame Sudoku Puzzle type. In the Frame Sudoku Puzzles, sum of the first three number from the edge is given. However in X Sum Frame Sudoku sum is marked with X and it is part of solving process to get the value of X and then solve the Sudoku puzzle. This Sudoku type appeared in Episode 7 of Sudoku Mahabharat 2016. X Sum Frame Sudoku is created by Harmeet Singh.
This X Sum Frame Sudoku puzzle I created for  However this Sudoku type could not fit into the any WSC round, so this puzzle remained unused. This is very interesting Sudoku type and I am posting this X Sum Frame Sudoku as part of Daily Sudoku League as 211th Sudoku Puzzle in this Series.

## Rules of X Sum Frame Sudoku Puzzle

Standard Sudoku Rules apply. Additionally The letter 'X' indicates the sum of the first three numbers appearing in the first box in that particular row/ column seen from that direction. X is to be determined as part of solving. All rows/columns, where the sum is X, are marked. If there is no X marked for a row/column, the sum cannot be X.
 X Sum Frame Sudoku Puzzle (Daily Sudoku League #211)
Answer of this X Sum Frame Sudoku puzzle can be viewed by clicking on button. Please do give your best try to solve this Sudoku puzzle before looking at the answer.

This X Sum Frame Sudoku puzzle, I am publishing as #211th Sudoku puzzle in The League of Extraordinary Ladies & Gentlemen. Here are the next and previous Sudoku puzzles published in this Sudoku series.