ABDEC - Coded pairs sudoku
(Published on 21. May 2026, 19:51 by Mr.Menace)
No particular link to the puzzle book Abdec, by Blaž Urban Gracar, but a good opportunity for a shoutout!
Link to the abdec puzzle book
Rules
- Classic Sudoku rules apply.
- Outlined cages are drawn in the grid, each containing a letter. The same letter represents the same pair of digits across the grid. Different letters must represent different pairs. The order of digits within cages does not matter.
Link
Have fun solving!

Solution code: 5th row
Last changed on on 21. May 2026, 20:30
Solved by fuxia, lmg131, SKORP17, dickey, karen_birgitta, TheCutmaster, widjo, bansalsaab, SPring, onlainari, Brodie2000, Fw1728, RockyRoer, Wessel Strijkstra, Playmaker6174, JRaunak, trashghost, emoney1374, SSG, jkuo7, QuiltyAsCharged, damo_89, amirschw, Illuminated, Jrosas, Khatru, P12345, SirJefferE, claire93, madhupt, Druselbert, mew_rocks, OGRussHood
Comments
on 5. June 2026, 08:19 by damo_89
Lovely and easier than I expected.
on 27. May 2026, 09:16 by Playmaker6174
Ha, there're some funny moments while chasing for digits throughout in this one. Thanks for the fun x)
on 27. May 2026, 08:51 by Wessel Strijkstra
excellent :D
on 25. May 2026, 04:11 by RockyRoer
Great execution of a simple rule for a fun coloring puzzle! Easier than 4 stars in opinion. Thanks for sharing!
on 23. May 2026, 14:55 by onlainari
I love colouring in. Thank you.