Is there an up-to-date list of all 39-clue minimal puzzles? Is the number still 2650?
The list should have the SE rating attached to each puzzle.
It would be interesting to see the frequency distribution of SE ratings for the 39-clue puzzles.
........1..2.13.4.13..542.6..6....7.27..3685.35..87.62.63.7142.42.36..177...4....