Logic Masters Deutschland e.V.

Training on the Orient Express

(Published on 2. November 2023, 14:01 by ThePedallingPianist)

This is a prequel to Killer on the Orient Express, which has a similar ruleset. Both were constructed last year, but in my eagerness to publish only the most challenging puzzles, I chose to put only the harder of the two on LMD. I believe the ruleset is worth revisiting, so please have a go at Killer on the Orient Express if you enjoy this one!

Play on CTC
F-puzzles



Normal sudoku rules apply.

Draw a "train" in the grid. The train is a line of orthogonally connected cells that cannot loop or branch, and can touch itself diagonally but not orthogonally. Its "carriages" are 2-cell Killer cages. The first carriage sums to 3, and thereafter each carriage's sum increases by 1 going along the train until the last carriage, which sums to 17.

Cells with grey circles are not on the train. A digit in a grey circle shows how many 'train cells' neighbour that circle orthogonally and diagonally.

Solution code: Row 1 (top row), left to right

Last changed on on 15. November 2023, 01:27

Solved by marty_sears, kublai, ElChiglia, matiasv5, StephenEsven, dskaff, tweak42, seeppp, efnenu, LehanLehan, Iluvsodah, Floorball36, SKORP17, Landelinus2005, Jreg, One Eyed Man, liushong, Wahaj, fuxia, ... Archon, mietepiet, jgarber, lordovol, mrlemmelook, DylanRay, lpq29743, garycblack, GeneralPhats, areigner, AuctionBrussels, koiking, Hark Vitrina, jjtheplum, xtmacxattack, sinamon, simontherry
Full list

Comments

on 12. July 2024, 22:28 by wuc
Great ruleset and approachable. Loved solving thx.

on 10. April 2024, 14:38 by ThymePass
That was a fun ride. Choo-Choo!

on 24. March 2024, 09:20 by CcmarvMD
First ever drawing puzzle, absolutely loved it!

on 30. January 2024, 19:12 by cascadeshiker
Lovely puzzle. Thanks. Nice to find an approachable path building puzzle. I'll have to try the harder one next.

on 9. January 2024, 16:14 by OGRussHood
This puzzle definitely scratched my train-building itch as a champion Ticket to Ride player.

on 9. January 2024, 11:45 by Crusader175
Beautiful puzzle! So much fun to build the train. :)

on 15. November 2023, 01:27 by ThePedallingPianist
f-puzzles link updated - thanks to gdc

on 6. November 2023, 11:37 by Snaques
What a great puzzle!

Took me a while to grasp all the rules. Especially the fact that the numbers you add to the empty grey circles also serve a purpose really opened it up after being stuck for a while.

on 3. November 2023, 17:53 by DevonTheBroXD
This was a really fun solve! Nice setting :))

on 3. November 2023, 03:48 by BKKGarrett
Absolutely loved this one! Thank so much for making it!

on 3. November 2023, 03:09 by ViKingPrime
Very interesting solve, with several surprises sprinkled throughout.

on 2. November 2023, 23:08 by Jreg
Okay, so I did this puzzle and then tried out the OG. I completely loved both!

on 2. November 2023, 21:50 by vitaminz
The last train disambiguation gave me so much joy

on 2. November 2023, 14:08 by marty_sears
Really enjoyed this - not too difficult but very elegant and smooth throughout. I look forward to giving the harder one a go soon

Difficulty:1
Rating:95 %
Solved:210 times
Observed:7 times
ID:000FP4

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Solution code:

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