What could be the best approach to divide NxN grid into N groups having N tile each? What could be the well-known algorithm for this? I could not find a direct answer on the net. Max grid size will be 10x10. Below is an example for 5x5 grid. Thanks in advance. Regards

Note: Six of the clues are printer's devilry with thematic answers. Across 1. Grandson to Isaac Newton, son to filmmaker Barry (8) 5. Selling a product of ale? Sue for a higher price (6) 9. Sport follower entertained by an awfully tired racing driver (8) 10. Showered, readin' comic (6) 11. Par...

Triangle ABE is cut from square ABCD (centre E) and placed at one side. Restore the square by a single action different from the exact reversal of this transformation. A solution is to cut triangle BCF from the shape on the right and to use it to fill the gap AEB. Find an additional, completely d...

I am stuck solving this "Trees and Tents" puzzle. How to sovle the rest of the puzzle? For does who don't know the puzzle, these are the "Trees and Tents" rules: A tent must be placed next to every tree (horizontally or vertically) Tents cannot be next to each other (also not diagonally) The...

This is a strategy question for which I am looking, and don't have, the answer. It is a possible state in a game called Town of Salem, but I will state all the necessary information here. Each day someone can be voted to get on the stand. If strictly more than half of all players vote someone, ...

I have a next 4x4 sequence of numbers: 2 5 4 0 2 1 4 2 0 1 1 0 4 4 0 3 0 0 4 3 0 0 1 1 1 4 0 0 4 4 3 5 5 5 2 4 1 1 0 5 4 1 0 4 1 0 2 4 3 5 1 2 1 4 2 0 0 1 5 2 1 5 0 4 And the position solutions of the puzzle: 3 10 16 7 15 13 2 11 12 8 9 4 6 14 1 5 3 12 15 6 14 8 13 10 1 9 2 16 5 4 11 7 Loo...

I was trying to find answers for below diagram.I simplified with four equation as a+b = 25 c-d =35 a+c = 50 b+d =60 then I got 2a+a+b+ac = 170 2(a+b)+2c = 170 2*25 +2c = 170 c=60 but it cause d a=-10 which is wrong as there is no negative number. How to solve puzzle

What is the missing sequence number in the below diagram

...it has a very short life But goes calmly and smoothly, little-to-no strife. And even as it passes it becomes something new, Changing shape constantly 'til there's nothing to view. Depending where it happens you may see yourself in what's left. Bruce Lee likes this version, to be like it, to be...

Imagine you're playing a game of crazyhouse, which operates like standard chess, except that you have a pocket of captured pieces that you can drop on the board in any legal location as your move. This is the current state of the board with Black to move. Here are the pieces in White's hand:...

There is a secret message in this paragraph. Can someone please help me decipher it?

Your only clue is this photography. Who took it? I'll add some hints if noone finds :)