What is at the bottom of each puzzle?
"Solution on page N". With hints on, "Hint on page N · Solution on page N" (shortened to "Hint p. N · Solution p. N" when several puzzles share a page). With "A time line" on, "Time: __________". With "Target times" on, "Target N min". Wordoku puzzles show their letters and picture puzzles show the pictures to use.