RULES : Classic sudoku rules apply. Additionally, digits along the given lines read the same from either direction on the line.
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A very happy new year to all of you. Welcoming the new year with a thermo sudoku. I had created this sudoku before the 2019 themed thermo s... -
RULES : Classic sudoku rules apply. Adjacent digits along each marked line have a difference of at least 5. -
RULES: Classic Sudoku rules apply. Additionally, digits along the given lines read the same from either direction on the line. -
RULES : Classic Sudoku rules apply. Additionally, each group of nine shaded cells must also contain the digits 1 to 9. Online Solving -
RULES : Place a digit from 1 to 9 in each empty cell so that each digit appears exactly once in each row, column and 3x3 box. Solve Online -
Triple Sum Sudoku for GP practice RULES : Each row is divided into 3 parts. The 1st part is a 4-digit number, the 2nd part (sh... -
RULES : Classic sudoku rules apply. If a grey circle is given between two adjacent cells, then the numbers in those cells will be consecu... -
This classic sudoku is taken from my new book WORLD OF SUDOKU : VOL # 4. The book contains 120 handcrafted classic sudokus ranging from mo... -
It is an amazing feeling to reach 200 sudokus on my blog today. I had started this blog in the year 2017. The year 2020 started with Sudoku... -
RULES : Classic sudoku rules apply. Additionally, orthogonally adjacent cells cannot contain consecutive digits. Also, a digit cannot repe...
Puzzle No. 458: Sum Next to 9-Renban Sudoku
Rules: Place a digit from 1 to 9 in each empty cell so that each digit appears exactly once in each row, column and 3x3 outlined box. Clue...
15:37, it was a magnificent sudoku with a very narrow breakthrough. The ending was also on tougher side. It's a kinda fun to solve such sudokus.
ReplyDeleteThanks shambo.
Delete10:46.Nice use of bulb logic at the end. Tough & very good one.
ReplyDeleteThanks Kishore. But what is the bulb logic ?
DeleteIn common parlance, it's called the Colouring technique wherein we determine the 'ON & OFF' status of a pair of digits all through the grid and then use that to "explosive effect"
DeleteFound it very tough. Had to make a guess. I took almost 30 mins on my phone :(. Please guide on how to solve.
ReplyDeleteThe number which comes in R2C3 has to come in R5C2. Then it has to come in R9C1. After manipulating a bit, u will get 6 in R7C2. That was the breakthrough of this sudoku.
DeleteOh wow! Excellent logic. Thanks very much Shambo. You are really good at this :). Mr.Akash, I can appreciate the awesome construction now.
DeleteThank you mam
DeleteVery tough but enjoyed, nice sir👍👍
ReplyDeleteThanks Anil Bhai
ReplyDelete13:47, superb creation. Some razor sharp deductions in there, loved it!
ReplyDeleteThanks aashay
Delete