We merge obvious sets of horizontal clues which led to an oversight in the clue pruner and leaked difficulty. The puzzles are more consistently difficult with the fix.
Fix a slight regression with hints when only hidden / naked sets exist.
We merge obvious sets of horizontal clues which led to an oversight in the clue pruner and leaked difficulty. The puzzles are more consistently difficult with the fix.
Fix a slight regression with hints when only hidden / naked sets exist.