### LITS (Signpost) by Chris Green

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Theme: T Junctions

Author/Opus: This is the 3rd puzzle from guest contributor Chris Green.

Rules: Variation of LITS. Some cells or groups of cells are outlined and labeled with a letter. If any of these cells is shaded, then the tetromino shape must match the clued letter.

Answer String: Enter the length in cells of each of the shaded segments from left to right for the marked rows, starting at the top. Separate each row’s entry from the next with a comma.

Time Standards (highlight to view): Grandmaster = 8:15, Master = 14:00, Expert = 28:00

Solution: PDF

Note: Follow this link for more variations of LITS and this link for classic LITS. If you are new to this puzzle type, here are our easiest LITS to get started on.

• skynet says:

26:54.

A really hard puzzle.Hard to obtain lots of contradictions to continue.Logic was only trickling in cells here and there and I had to make heavy weather of this puzzle.

• egrieg says:

Definitely not continuing this puzzle. After almost 2 hours of pointless guessing and erasing i am finally too frustrated to give this any further try…

• Giovanni P. says:

I think the way into this puzzle is (rot13) cebivat gung abar bs gur fvtacbfgf ner hfrq. Fbzr pna or qvfcebira n yvggyr zber dhvpxyl onfrq ba jung funcrf gurl sbepr va gur bgure ertvbaf, rfcrpvnyyl va gur ybjre evtug pbeare.

Even with that, I still need to solve the rest, but at least that should help narrow things down.

• edderiofer says:

> cebivat gung abar bs gur fvtacbfgf ner hfrq

But fbzr bs gur fvtacbfgf NER hfrq va gur fbyhgvba. I think you mean “juvpu fvtacbfgf pnaabg or hfrq”.

The way I broke into the puzzle was via pbafvqrengvba bs juvpu ertvbaf pbhyq pbaarpg gb juvpu bgure ertvbaf naq ubj, naq terng qrnyf bs gevny naq reebe ba fbzr vaqvivqhny pryyf.

• Giovanni P. says:

Ech. Well disregard what I said.

• Chris Green says:

Gur shapgvba bs gur fvtacbfgf va guvf chmmyr vf gb sbepr havdhrarff, xabjvat ubj gurfr yvzvg gur cbffvovyvgvrf ba ubj gur cngu pna or ynvq bhg vf gur xrl gb fbyivat guvf chmmyr. Fbzr bs gurfr fvtacbfgf yvzvg gur cngu fb zhpu gung gurfr pna or jevggra bss rneyl va gur fbyir.

• Francis says:

Found this one a bit of a grind, unfortunately. I was able to make some use of the signposts, but progress was still very slow.

• Rob says:

Loved this one! Too difficult for me to enjoy solving on time, but I developed some new-to-me notation for this type, which allowed inching towards a solution, with perfectly fair steps.

• Rob says:

In particular, znexvat jnyyf gung pna abg or pebffrq, r.t. ebj 6, pbyhzaf 3 naq 4.

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