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7 votes

A Difficult Colombian Sudoku?

We begin my identifying whether the given digits match the given grid, and also locate cells that cannot be matches in other locations based on these digit placements...matches are in blue, known ...
Jeremy Dover's user avatar
  • 27.9k
3 votes
Accepted

A Difficult Colombian Sudoku?

Here you go: Now some precisions: I am editing this in to make up for my unknowing of the logical path rule (at the time I took on this puzzle the grid-deduction tag was not present and so I was ...
Fluorine's user avatar
  • 161
7 votes

Help with Star Battle puzzle

Take a look at the: It requires: Image: Further Steps and Tricks: Any 2x2 set of cells can only have one star. Look at: Most of these techniques are covered here (KrazyDad is the source of this ...
LeppyR64's user avatar
  • 13.6k
-2 votes

A Crabby Sudoku

Partial answer. I found an interesting deduction early on.
codewarrior0's user avatar
  • 6,752
8 votes
Accepted

A Crabby Sudoku

The solved grid: Starting in the middle: Pencilmark the thermos: A general observation: Back to box 5 real quick: Then back on the track: Let's look back in row 6: Some small deductions: Look ...
Jeremy Dover's user avatar
  • 27.9k
8 votes
Accepted

Plumbing Issues

Gladys is at This is the completed grid: Then Solution path for the grid:
PDT's user avatar
  • 12.3k
12 votes
Accepted

Masyu: Four Colours

Whilst a solution image has been posted already, a solution path has not. Since this is a pretty tricky puzzle with some interesting deductions, I figure it is worth explaining to other potential ...
Stiv's user avatar
  • 142k
22 votes

A small board-puzzle

Why the accepted solution is unique: I could proceed with some case-bashing, but instead I'll ask: How can this be arranged?
AxiomaticSystem's user avatar
17 votes
Accepted

A small board-puzzle

A symmetric solution (with pieces represented by Os):
D. Ror.'s user avatar
  • 294
7 votes

Masyu: Four Colours

Working mostly with numberlink logic and correcting errors on the fly, I have found this solution:
Daniel Mathias's user avatar
9 votes

Continue in 6x6 Towers puzzle

In row 5:
Jaap Scherphuis's user avatar
10 votes
Accepted

Cover me, I'm going in!

Gladys is visiting The answers to the crossword clues are as follow. Then we can fill the answers into the grid, starting from the longest ones. Doing so we can gradually fill all the cells. So ...
ACB's user avatar
  • 6,761
15 votes
Accepted

Riverboat Soufflé

Gladys went to The crossword grid and cryptic clues: The Masyu: After these,
oAlt's user avatar
  • 6,832

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