Solver for the Square Routes puzzle which is published in The Times (UK) newspaper.

Inputs are stored in input/<name>, one file per puzzle.

File format is:

• The list of words, in any order.
• A blank line.
• The grid, where V represents an initial vowel, v a subsequent vowel, C an initial consonant and c a subsequent consonant.

• gradlew run --args "<name>" to solve a single puzzle and print the results to stdout.