Griddlers Tutorial - Solving Puzzles
Example 5: Complex Logic (b)
Another puzzle that challenged our users is described here:
Using simple logic we can fill in only this much. | |
Let's look at the square circled in green. Looking at the column clues, we know that this could either be clue 1 or part of clue 7. Again, let's look at both possibilities. | |
Here's what the puzzle would look like if the square is clue 1. | |
Here's what the puzzle would look like if the square is the beginning of clue 7. | |
You can see that either way the square marked with a red dot must be white. |