We make posts for our patron bonus puzzles so that people have a space to comment on these puzzles, mark as FAVES, or log their solving. If you are interested in receiving an extra puzzle each week, become a patron at the Master level or above at Patreon.
Theme: Question Marks
Author/Opus: This is the 75th puzzle from our contributing puzzlemaster Murat Can Tonta.
Rules: Standard Cross the Streams rules.
Answer String: Enter the length in cells of each of the black segments from top to bottom for the marked columns, going in order from A to B to C to D and separating each entry with a comma.
Time Standards (highlight to view): Grandmaster = 5:30, Master = 9:00, Expert = 18:00.