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LITS is a puzzle genre that doesn't appear on Puzzle Picnic yet, but I have requested it, because it's an incredibly awesome genre. An LITS puzzle consists of a grid which has been partitioned into sections; you must shade in a single tetromino in each section. No two congruent tetrominoes may share an edge, and just like the water cells in Stream Islands, the shaded cells must all form one connected region without any 2x2 areas that are entirely black. This page contains a simple 7x7 example puzzle and its solution to help illustrate these rules.

Once you understand the rules, feel free to jump right in and start working on my blog's milestone 150th puzzle, which is a 31x45 LITS (referred to as Tetra Firma there). Alternatively, if you're not insanely masochistic, you can work on smaller puzzles, like this one or this one, first.

I sincerely hope that LITS gets added to this site soon; I believe these three puzzles illustrate the genre's possibilities quite well.

Nice indeed. I implemented LITS and made a 1* puzzle. In case anyone wants to contribute puzzles to complete a quartet of different difficulty for the release, just build them as sudokus and I will convert them.

I think I am insanely masochistic

Those were very nice! I support the implementation of LITS too.

DarkMurad wrote:

I think I am insanely masochistic
Those were very nice! I support the implementation of LITS too.

I gather that you managed to complete that behemoth, then?

I definitely want to see LITS puzzles here; I think it'd be interesting to see what kinds of LITS puzzles others would cosntruct; I might even contemplate a Logicsmith Exhibition of LITS.

Yes, and it was very fun!

I want to continue constructing puzzles one day and I'll certainly give LITS a try, it's a real nice genre.

Mathgrant, your puzzles have been converted and can be found in the vestibule. We didn't add the solutions, so if you could please provide those, then we can verify them and maybe get LITS online in a few days.

LITS is such an awesome genre but there are so few online examples, could someone please forward me some links where I might be able to find some more,

Many thanks,

Valvino

http://puz.hp.infoseek.co.jp/honkaku/nuruomino.html
http://h-syouyuyaki.blog.drecom.jp/category_1/

These pages I found while googling for the japanese word for LITS. The forum doesn't support japanese, but the word can be copy pasted from here, or alternatively from the title of the first link. Searching for nuruomino might also lead you somewhere.

Also, here is every Tetra Firma I've ever created. Besides the 31x45 one above, they range from 10x10 to 20x36 in size.