Day 20: Palindrome lines
(Published on 20. December 2025, 06:00 by SharpFox)
Christmas is approaching...
- Place the digits 1-5 exactly once into every row, column and region (limited by thick black lines).
- Digits on the gray Palindrome line are read the same from both directions. For example the tips of each line contain the same digit.
- Digits strictly increase along a thermometer, starting from the bulb to the tip.
- A black kropki dot joins digits, where one is double the other.
Solution code: Row 1 (5 digits):
Last changed on -
Solved by RickiFerrara, tiuhto, metacom, TeddieMilo, Rearden, thomamas, jalebc, Fisherman, Dermerlin, jseng, 9x9, brimmy, PatJoyce, superkinkel, walid_tun, L00ping007, tgstar, HeyItsErin, rcg, lmtyy, Zzzyxas, ... ciaragst, Uhu, Niveous, jade23, Baconator, ManuH, taiyaki, JanBanane, SamNardoni, mogest, podingo, 0203017, gambatte, orlymuir, Lysine, marsigel, acdz, ffricke, Aran-Fey, pjot, jarouz, 5H4D3
Comments
on 23. December 2025, 01:16 by SanFranSam
Oooh! I didn't think to color the grid. I used letters. ;)
on 22. December 2025, 20:57 by zimmicks
9 minutes thx
on 22. December 2025, 10:00 by Athenodora
解题过程中五颜六色的格子很好看
on 20. December 2025, 18:59 by Supertaster
Lovely little coloring puzzle. Thank you.
Last changed on 20. December 2025, 13:23
on 20. December 2025, 13:21 by rojspencer
Very enjoyable.
on 20. December 2025, 07:28 by Fisherman
Simple but beautiful.
