Logic Masters Deutschland e.V.

Coral Corridor

(Published on 19. May 2026, 00:50 by Sotehr)


PUZZLE



Play [Coral Corridor] on SudokuPad.


RULES

Sudoku: Normal Sudoku rules apply; place the digits 1-9 once in every row, column, and 3x3 box.

Renban Line: Solid pink lines contain an unordered set of consecutive digits, without repeats.

Region Sum Line: Hollow blue lines are divided by 3x3 box borders into segments with sums of equal value.

Black Kropki: Cells separated by a black dot have one digit double the other.

White Kropki: Cells separated by a white dot have consecutive digits.

NOTES
Expected Difficulty: 3.5 stars

This is a belated birthday puzzle for Nell Gwyn. Sorry it's so late, but Happy Birthday!


Solution code: Column 5, top to bottom.

Last changed on on 19. May 2026, 01:16

Solved by karlmortenlunna, Nell Gwyn, Douglass, mellowrobinson, Bjd, Willkimo, Merdock, lmg131, Chaka, tuturitu, aqjhs, Reisen, Elliott810, TripleABattery, mihel111, Franjo, Piff, stranac, achim-t, dickey, ... Morisenseiisgod, garage, spookyripper, dellC, seaweed, MikeMeech, mew_rocks, tome_coelho, D3M4R, cybers, Druselbert, jalebc, redfoot, fryguy1013, DarkPaladin, haoju, Uhu, cg24, bboom, annnz
Full list

Comments

on 5. June 2026, 17:29 by claire93
This puzzle has a lovely flow to it, and some great 'aha!' moments as you narrow down the placements - I really enjoyed it :)

on 20. May 2026, 22:20 by Exigus
Tricky but I had a great time. Thanks!

on 20. May 2026, 11:39 by pmays123
Tough but very rewarding when I finally broke through. Great puzzle. Thanks!

on 19. May 2026, 19:48 by GG_70
The break in was tough but flowed nicely afterwards

on 19. May 2026, 15:48 by Snookerfan
Beautiful symmetry and a very enjoyable, hard puzzle. Thanks!

on 19. May 2026, 13:38 by Franjo
Thank you very much for creating and sharing this tricky puzzle. Awesome setting!

on 19. May 2026, 12:55 by mihel111
One glorious moment in the mid solve. Well done.

on 19. May 2026, 09:32 by Chaka
Fantastic puzzle! Loved it!

Difficulty:4
Rating:95 %
Solved:104 times
Observed:1 times
ID:000SOO

Puzzle variant New

Enter solution

Solution code:

Login