2021-10-04 Thanks to Andrea Gilbert (Clickmazes) for a very wise suggestion regarding the visibility of the unique path, to tjm for suggesting an extra auxiliary marker, and for help clarifying the rules, alongside Martin Ender (Menderbug). 2021-10-04Noa Hoffmann (Noa Cube Studio), dohz, Martin Ender (Menderbug) for feedback regarding switching modes, still being worked on. 2023-12-20 Start and Finish points are now always required, a missing constraint detected by PinkHoodie. 2023-04-11 A lingering test case found by PinkHoodie was corrected (cause: code too complex). Style ugrades. 2024-08-09 A final test case found by Justimagineit was corrected. Styles simplified. 2024-11-30puzzlettersPinkHoodie fashioned 1 Timber! (classic) puzzle in keeping with the 16x6 board size! 2025-01-10 A bug in the automode for Timber! was corrected by having the monomino aux mark replace the circle. 2025-01-27 A further bug in the monomino automode used in Timber!, detected by Random 8, was fixed.