The Little Book of Grosse Gogen Puzzles 1: 50 Grosse Gogen Puzzles Book 1

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I can see how it would be easy to write a program to create these as you just need to select enough strings of letters to ensure a unique solution.

This image contains a puzzle that's made by user @international-dba, so it's not PD. OP can of course use it freely. In reality, we only care about the pairs of letters formed by the words. e.g. for VINE we wish to make adjacent [V,I], [I,N], [N,E]You can of course also make them without actual words, as for example in this one with just a single clue: A is next to M, and it must have at least 4 unknown neighbours to house all of C,X,N and H. So the A is placed.

Having seen really advanced human solvers I was expecting the different techniques to be discussed. Finally, as an improvement suggestion for the presentation: if you put the clue words to the right of the grid, and the alphabet below it (with the given letters already crossed out), it's much easier to work the puzzle, whether in printed form or in graphics software. Out of the possible positions for a letter only 1 space may have enough adjacent spaces to complete all pairs

How to Start Solving the Easy Crossword

The aim of the puzzle is to place the 25 letters (A-Y) in the circles so you can complete each word by following the lines (In a similar fashion to Boggle). The puzzles produced by Paul Grosse are slightly different to mine in that the clues include random strings of letters. I have tried to correspond with them to see if they might buy some of mine but so far they have not answered. Sometimes the easiest solution may be the best. Recently I was watching this youtube video which goes into the methodology for solving Sudoku.