Inner Frame Sudoku type is very interesting Sudoku puzzle. I found it more interesting than original Sudoku variation of this type called Frame Sudoku. This Inner Frame Sudoku Puzzle is appearing in forthcoming 4th Round of Sudoku Grand Prix 2018. I have created this Inner Frame Sudoku for the practice of this Sudoku competition and posting it so that readers of Fun With Puzzles website can also use it as practice of this Sudoku competition. I am submitting this Inner Frame Sudoku puzzle as part of Fun With Sudoku Series as 312th Sudoku Puzzle in this Series.

## Rules of Inner Frame Sudoku Puzzle

Standard Sudoku Rules apply. Additionally numbers outside Frame represents sum of 2nd 3rd and 4th digits appearing in that directions..

Inner Frame Sudoku Puzzle (Fun With Sudoku #312) |

Answer of this Inner 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 Inner Frame Sudoku Puzzles I am publishing as #312th Sudoku puzzle in Fun With Sudoku Series. Here are the next and previous Sudoku puzzles published in this series.

Previous Sudoku Puzzle is Search 9 Sudoku Puzzle (Fun With Sudoku #311)

Next Sudoku Puzzle is Fortress Sudoku Puzzle (Fun With Sudoku #313)

11.00 - Lost about 2-3 minutes as I had made a mistake in addition

ReplyDelete11:25.Hard one

ReplyDeleteMiddle column in this Sudoku gives easy start and then its nice flow.

Delete