On the hexagonal grid, this genre becomes [Slicy]. This variant is sufficiently distinct and well-known to deserve its own page.
Also, the variant ´´double´´ is [listed separately in PuzzleSquareJP|https://puzsq.logicpuzzle.app/?kind=688]
Finally, see also the variant [LOTS]!


## [lits] puzzles

### @NaokiInaba

The original [LITS] set by @NaokiInaba was kindly transcribed by @PinkHoodie.

Example:
W=4x4&LF=z0z1z1z1z2z2z1z1z1z1z1z3&SIE=3RDRDD5RRDDR&G=lits&A=Naoki_Inaba&B=PinkHoodie&D=2004-12-24&N=1&T=ヌルオミノ_(Example)&U=inabapuzzle.com/honkaku/nuruomino.pdf

Puzzles:
W=10x10&LF=z0z1z5z1z2z2z1z1z1z1z1z2z1z2z5z3z1z6z1z1z1z1z1z1z6z2z2z3z1z1z1z1z1z1z1z4z3z1z2z4z1z5z1z2z1z7z1z1&SIE=5RDDDRUUURDDDRUUUU1RRRUUU3RDDRUURU2URRRU28RURULURU16UUUUUUU2RRRRDLD1RRRRR5RURRRR6URURULULU15URRDDDDLD&G=lits&A=Naoki_Inaba&B=PinkHoodie&D=2004-12-24&N=1&T=ヌルオミノ&U=inabapuzzle.com/honkaku/nuruomino.pdf
W=10x10&LF=z1z3z1z2z1z1z1z1z2z1z3z2z2z1z1z4z1z3z2z3z2z1z1z1z2z1z2z1z2z1z4z1z1z2z1z1z1z1z1z2z2z1z2z3z3z1z3z2z1z1z1z1z4z1z1z2z2z1z1z1&SIE=7RURURU11RDRURUU9RDRRRURRULL1LDRDDLUL11RRRU3RRDDRUUU2ULU15DLLDLU7ULULU9RDRDD2UUURDDRUR3UU15RDR19LLU&G=lits&A=Naoki_Inaba&B=PinkHoodie&D=2004-12-24&N=2&T=ヌルオミノ&U=inabapuzzle.com/honkaku/nuruomino.pdf
W=10x10&LF=z0z1z1z2z1z3z3z2z1z3z1z1z2z3z1z2z2z2z3z3z2z2z2z1z2z1z2z2z1z1z3z3z3z4z1z1z2z2z4z2z2z1z1z3z1z2z2z2z1z1z1z3&SIE=4RDDRUUUU2RRUUUU5URURRRRRURRU15RRRU4RRRDDDLLURULL1RRRRRRRR28RRRUUUU4RRRRR14UURRDR15RR&G=lits&A=Naoki_Inaba&B=PinkHoodie&D=2004-12-24&N=3&T=ヌルオミノ&U=inabapuzzle.com/honkaku/nuruomino.pdf
W=10x10&LF=z0z2z1z1z1z5z1z1z8z3z1z1z1z1z1z2z3z5z2z2z1z1z3z1z1z1z1z1z4z1z2z2z2z2z2z1z1z3z1z1z1z1z1z2z1z1z1z8z2z1z1z1&SIE=8RDDDDDDL14UUUUUUUUUU1RRRRRR3RRURDD4RRDR1RRRRRR3UURRRRDR37URUUU4DLDDDRDRUR13UUUUUUUUUU30LDDDDDDR&G=lits&A=Naoki_Inaba&B=PinkHoodie&D=2004-12-24&N=4&T=ヌルオミノ&U=inabapuzzle.com/honkaku/nuruomino.pdf
W=10x10&LF=z0z1z1z1z1z1z1z2z1z1z3z3z1z2z1z1z4z3z1z2z1z1z1z1z2z1z4z5z2z3z2z1z1z1z1z1z3z2z4z4z2z5z1z2z1z1z1z1z3z1z1z1z4z1z1z1&SIE=2RRDRRRR3RURUUU2RUURRU9RRDDRU8RU4RRRUU14RRDRRRR8DDRRUURUU38UURU25LLULLDLDRDRR2LLLU3LULLLU&G=lits&A=Naoki_Inaba&B=PinkHoodie&D=2004-12-24&N=5&T=ヌルオミノ&U=inabapuzzle.com/honkaku/nuruomino.pdf
W=10x10&LF=z0z1z1z1z1z1z1z6z7z1z1z1z1z1z1z4z1z3z3z1z1z1z1z3z1z1z1z7z6z1z3z2z3z1z1z1z1z1z1z1z1z1z1z2z4z2z2z2z2z1z1z1z1z1z1z1&SIE=9RRRDRDRUULU6UURU7ULURUULDL2RDRRR11UURU25LULULLURU4RDRRULU2UUR24RR2DDDLUULULUU2DRDLLULULURRDRRR23LLU&G=lits&A=Naoki_Inaba&B=PinkHoodie&D=2004-12-24&N=6&T=ヌルオミノ&U=inabapuzzle.com/honkaku/nuruomino.pdf


### @AnuragSahay

W=10x10&SIE=2RRUULU6RDRDLDL21RDDDRDD4ULLU1URRRDLD4RRUUURDDRURUURU16DLDLULU13RUULLUURRR7RULU4RURUULDL11RR3UUURDDR&G=lits&A=Anurag&D=2024-04-15&F=3
W=10x10&SIE=2RURDDLD4RDDR3RRRDRDRDDLDRDDRUUU32DDRDLDLUUULL19RRRRDR6ULLULDD11UUL5URRR5DDLDLUURU12ULURUR18LUULU&G=lits&A=Anurag&D=2025-01-22&F=3


### @PinkHoodie

W=12x24&LF=z2z3z1z1z1z1z1z1z1z1z2z2z1z1z1z1z1z1z2z1z1z1z1z2z2z6z2z2z6z2z2z2z2z6z1z1z2z1z1z1z1z2z2z2z2z2z2z6z1z4z3z2z2z2z2z1z1z7z4z1z2z2z2z2z4z6z1z5z3z2z2z2z3z4z3z1z1z6z2z2z2z3z1z1z1z1z1z1z1z2z2z1z1z2z2z2z2z3z8z1z1z2z1z2z2z2z2z3z8z2z1z1z1z1z1z1z1z1z1z1z1z1z2z6z1z1z1z2z5z2z4z1z1z5z1z2&SIE=2RDRUUULDL5RDRUURRRRRRRRDD3RDR4RRDLDDDRRURDRRRRURRR2RRURDDLLL4RUUUU32RRRRRRRRDLLLLLLLL1RRRRRRRR2URRRRRRRRDLLLLLLLLDRRRRRRRR2RRRRRRRR1URRRRRRRRDRDDR6RRUUUULLLL30URRULURURRU24RDDRUUULLLLLD6DLDDDLUUUU38DRRUUULDDLLLURURUURURDDD7URDRDD50RURULLLLD40URUR12RDR25UULLDLLU8LULDDDRDR12LULULURRDR&G=lits&A=PinkHoodie&D=2024-12-22&F=4&O=Puzsq_Advent_2024_(Size_Series)&T=12x24
W=16x6&LF=z1z1z1z1z2z2z3z1z1z1z3z1z2z3z1z1z2z2z2z1z1z1z1z1z1z2z2z2z1z1z1z1z1z5z1z1z2z1z1z1z2z1z2z1z1z1z3z1z2z2z1z1z1z2z2z2z2z1z1z5&SIE=1RUUUU4RRRRRU3RRRRD14URRULLLL15RRUULLLU12UU1RUUUULLD7RUUUURDRDDD4U16ULUUL3RRUURRU1URU13RRUR4URULLLDD&G=lits&A=PinkHoodie&D=2024-12-23&F=2&O=Puzsq_Advent_2024&T=Advent_16x6_(LITS)
W=10x10&LF=z1z1z1z1z2z1z1z1z1z1z2z3z2z3z2z1z1z1z1z1z1z2z2z2z2z2z2z1z1z1z3z1z2z1z5z1z2z1z2z1z1z1z2z1z1z1z1z2z3z3z2z1z1z2z1z1z2z2z2z1z1z2z1z1&SIE=1RURRRDLLD4RDDRR10RURR4URU8ULUURDRDRRD3RRURU25UUUUULDDLD3RUUUUR3UUU2RURRRU15RRR2RRR6DDDRDRR7LDDDDLUU24LLUU&G=lits&A=PinkHoodie&D=2024-11-09&F=3&T=Striked_Propeller
W=12x12&LF=z0z1z1z1z1z1z5z3z2z2z1z1z1z1z1z2z1z1z1z3z2z2z2z3z1z1z1z1z1z1z1z2z2z4z2z2z2z2z1z2z1z1z2z1z2z2z3z3z1z2z1z1z1z3z1z1z2z2z2z2z1z1z2z2z2z1z1z1z1z2z1z1z1z1z1z1z1z3z2z2z3z2z1z1z1z1z1z1z1z1z1z1&SIE=2RUUUUUU8RDDRUUU1RRRRRRRRRRU4RRURDRRDLLLLLD2RR19RRRRRR11RDDDDLUUUUL8RURRDDL2RR3RR15DRDDRUUR3U16RDDRD12RRRDD1URRR1UUURRRR1LLUU2URU17DLDRRRUUR6UUU11UUR5UU&G=lits&A=PinkHoodie&D=2024-08-10&F=3&T=Licos
W=9x9&LF=z0z1z1z1z7z2z1z1z2z2z1z1z2z2z1z2z5z2z2z1z3z1z1z1z1z2z3z2z3z1z1z1z1z3z1z2z3z2z2z1z1z1z1z1z1z1z1z1&SIE=6RU7RURR7ULUUUUU8RRDDLDLUULUR2UURRRDLD2URRRURDDDRD3RDRD11RDR18URRR5DLDR4RR12ULLURURR&G=lits&A=PinkHoodie&D=2024-07-20&F=3&T=Hill_Fall
W=10x10&LF=z0z1z1z1z1z1z1z1z1z1z2z2z3z2z2z1z2z3z1z1z3z1z2z1z1z2z2z2z1z1z3z1z1z1z1z2z3z1z2z1z2z1z1z1z1z2z1z1z1z1z3z2z2z1z2z2z1z2z1z1z1z1z1z1z1z2z1z2&SIE=8RDRDDDLUL3URU15RRDLDLULL1RRR2URDR4URUU8U5RRDRD11UUURDR11RRRDR3ULLURRR2ULULLLU13U4UURR25LUULDLDDDR3LLULDDD&G=lits&A=PinkHoodie&D=2024-05-29&F=2&T=Phiddens
W=10x10&LF=z0z1z2z1z1z4z1z5z1z3z1z1z1z1z1z2z1z1z1z1z5z1z2z2z5z2z1z1z1z4z1z1z1z2z1z1z1z1z4z2z2z2z4z2z3z1z2z1z1z2z4z1z1z2z1z1&SIE=3RURDDLDRRD6RDDRUR6URRULLL19RRULLUURDRURDDDRD4RRD1RUU12RDRDD3DLDRRRR17RDDDRDL11RRDR11ULU3ULLU23LDLLDRRDR&G=lits&A=PinkHoodie&D=2024-05-29&F=3&T=Move_From_Square_Deforms
W=12x12&L=x7x6x2x4x8x4x8x9x1x1x2x1x1x6x15x9x3x9x1x1x10x5x1x6x6x6x6&LF=z0z2z1z1z2z6z2z2z1z1z2z1z3z1z1z4z3z2z1z2z3z1z1z1z1z2z4z4z2z2z2z1z1z1z1z1z1z2z1z1z2z3z5z4z1z2z1z1z2z1z1z1z4z1z5z4z1z1z4z1z1z1z3z2z1z1z3z2z1z2z1z3z2z1z1z2&SIE=1R4RRRD10U12RR4URU28URRRUULULLLLU2LLD6RRU3RD13RULURURRD17LLLULLLL1UU7UUUL11RUULU6ULUUU8RUUR4UUULUU3RUR&G=lits&A=PinkHoodie&D=2024-04-14&F=2&T=Jump_LITS

## Variants

### ´´double´´
V=double
W=12x24&LF=z0z1z1z1z2z1z1z1z1z1z1z2z1z1z2z2z1z1z3z3z1z2z2z2z3z4z1z1z2z4z1z1z2z2z1z1z2z1z1z1z3z4z3z1z3z1z1z3z1z1z2z2z2z1z1z2z4z1z1z1z2z1z1z1z2z2z1z1z1z1z4z1z3z5z2z2z1z2z3z2z1z1z2z2z1z1z1z4z1z6z1z2z1z2z1z1z1z5z2z4z1z1z1z1z4z2z3z1z2z1z1z1z1z1z1z1z1z4z2z2z2z3z1z6z2z5z2z1z1z1z5z1z1z3z1z1z1z1z1z1z2z1z1z2z3z6z1z1z1z6z1z1z2z1z1z1z1z1z1z1&SIE=3RDRURDRDD2RRDRRRDDRDLL7RDRRRDRDLL6RURDRDLLDDDRDLL51ULURRRRD17URRULLURURDR3UURURRULUURDRURRULLLULLLLLD41URULULLULLL4RRRUURDDR1RUUUUUURDRRULURRRDLD22RRURRUUURDDDD18UUUURDDRUUULULDLDLULULULLUL9UUUUURDDRUURURR18DRRUUUUULURRDDDDDDD15ULURRRRR44UURR8URUUULLLLLU&G=lits&V=double&A=PinkHoodie&D=2024-12-19&F=3&O=Puzsq_Advent_2024_Size_Series&T=12x24
W=16x6&LF=z0z1z2z1z1z1z5z1z2z1z1z1z1z5z1z1z1z1z2z1z2z2z1z2z1z1z2z1z1z2z1z1z1z2z1z2z1z1z1z3z1z2z1z1z1z1z1z1z3z1z2z2z3z1z1z1z2z1z3z2z2z1z1z1&SIE=19DDDRRRRRULLUULLU2ULLUUUURU30RDRD7URULULDLUU12UUUUUU2RRRRRDR1RRURDRURULLU&G=lits&V=double&A=PinkHoodie&D=2024-12-23&F=3&O=Puzsq_Advent_2024&T=Advent_16x6_(Double_LITS)
W=7x7&L=x0&LF=z3z1z1z1z1z1z1z2z3z2z2z1z1z2z1z1z1z3z2z2z1z1z1z1z1z1z3z1z3z1z1z1&SIE=19RRRDRDR1LURUU4UULUURURURRDR&G=lits&V=double&A=PinkHoodie&D=2024-04-16&F=2&O=Double&T=Remsis


### ´´hasu-no-mura´´
V=hasu-no-mura

W=7x7&L=(2)2(0)3(7)19(5)6(5)2(0)2(0)1&LF=z2z2z4z1z2z2z3z1z1z2z2z1z3z1z1z1z2z3z2z2z2z1z1z1z1z1z1z1&X=x0x1x2x2x2x3x2x2x1x4x2x3x1x5x2x1x2x2x2&SIE=3RRRDDD3RRRDDD22RUUU7U2RRR3UULURRR&G=lits&V=hasu-no-mura&A=PinkHoodie&D=2024-04-16&F=2&O=Transparent_Hasu-no-Mura&T=vILlage_loTuS

### ´´plus´´
V=plus

The local LITS+ variant requires no 2x2 unshaded areas, while allowing some territories without any block.

@AnuragSahay sent this puzzle:
W=10x10&SIE=5RRRRD4RRRRU9DRRRRULLLLL5UULUU12R3U3LLU6LDDLD6RRDRUU8RRD1RU2DLLD2ULLURRRULLLULLD15RRUR2URRU2RRR19LLLLL7LULULULLU&G=lits&V=plus&A=Anurag_Sahay&D=2024-05-19&F=2&O=Plus


### ´´sorted´´
V=sorted

The  LITS Sorted variant has [its own page on puzzle square|https://puzsq.logicpuzzle.app/?kind=938]!

W=10x10&SIE=4RRULUU33UUU7ULU9DDLLLUURRRRU2UUUULLDDLDLL4RUUU5RRDDLLL13URRUUUR6DDDDDLUUU2RRDR31LLLU&G=lits&V=sorted&F=3&A=PinkHoodie
W=7x7&LF=z0z5z2z1z1z1z1z1z2z5z2z2z1z2z1z2z2z1z2z1z1z1z1z3z1z3z1z2&SIE=9RUUUULDDDDL24URRR5LU2ULLL22LLLDLDDDRURURUR&G=lits&V=sorted&A=PinkHoodie&D=2024-07-25&F=2&O=sorted&T=Folly_of_Chain


### ´´double,sorted´´
V=double,sorted

W=8x8&LF=z0z1z1z1z1z1z2z1z3z2z2z2z1z1z4z1z1z3z1z2z1z3z2z1z2z2z1z1z2z3z3z2z1z1z1z1z1z1z1z2&SIE=3RURRDDDLD27RDDRRURUR22RU4UUUULULLLDRDLLD&G=lits&V=double,sorted&A=PinkHoodie&D=2024-07-26&F=2&O=Sorted_+_Double&T=Double_Sort


### ´´quadruple,territory-shade-block-unique´´
V=quadruple,territory-shade-block-unique

W=9x9&LF=z1z1z1z1z1z1z1z2z1z5z2z1z3z1z1z1z2z5z2z2z2z2z3z1z1z1z1z2z1z1z2z3z1z1z2z1z1z5z1z2z2z1z1z1z1z3z1z1&SIE=2RUUURDDRRRRUUULURULLDLDLLL10RDRURRRRDRUUUUUUULU&G=lits&V=quadruple,territory-shade-block-unique&A=PinkHoodie&D=2024-09-11&F=5&O=Quadruple_+_Territory_Shade_Block_Unique&T=All_Forms_At_Once

### ´´o´´

W=8x8&LF=z0z2z1z1z1z1z2z1z2z2z1z1z1z2z1z1z3z1z1z1z2z1z1z1z1z2z1z2z2z1z1z1z1z1z1z1z3z2z3z1z1z1z1z1z1z1z1z1&SIE=1RUUR4RDRUURUR2RRD20U10UUULLDDRDR1RRUULULD3UURRDDD13UURUR5RUR2U&G=lits&V=o&A=PinkHoodie&D=2025-03-28&F=2&O=o&T=LITS_and_O

This variant first appeared in [this puzzle by てけてけ|https://puzsq.logicpuzzle.app/puzzle/152689].


### ´´landvermessung´´
V=landvermessung

W=10x10&L-LANDVERMESSUNG=(2)41(2)3(19)14(2)10&SIE=2RURUU2RURUULUURDRURU9RRDD12RRRURU1RRURRUURRDDRR40UULU4DRURU4LUL6RRDDD7DLDDLLDLL30LUULU&G=lits&V=landvermessung&A=Anurag&D=2024-11-15&F=4&N=1



### ´´inarow-shade-max-3´´
V=inarow-shade-max-3

W=7x7&LF=z3z1z1z5z2z1z3z1z1z2z1z1z1z2z1z2z2z1z2z1z1z1z2z1z2z5z1z1&SIE=21DRDLDDR7RURULU3DDLLL5DRRDLLDLD9RR6R&G=lits&V=inarow-shade-max-3&A=PinkHoodie&D=2024-12-23&F=2&O=Puzsq_Advent_2024_Make_a_variant_24.3_(LTS)&T=Simply_Three_Letters

### ´´territory-shade-block-area-3´´
V=territory-shade-block-area-3

W=19x19&LF=z6z1z1z1z1z1z1z13z6z13z6z13z6z13z6z13z6z7z1z1z1z1z1z1z6z1z1z1z1z1z1z1z18z1z18z1z18z1z18z1z18z1z1z1z1z1z1z1z6z1z1z1z1z1z1z7z6z13z6z13z6z13z6z13z6z12z1z2z1z1z1z1&SIE=5RURULUL9RDRDLDL33RUULURUUL53URURDRD13DRDRURULULDLLULLULURRRDRUULLUU6DRDRURU6RURULULULULL3DLDRDDLLDRDLLLLURULL14RULUU28UU3RUUULUU47URURDRD6RDRURULULLULLULDDL12U10DLDLDDRRDLDD42UL3UUURURDDRRUUULU6DLDLULDLDDRDDDRDRURULULDL53URUR30LUULDDDLUULULUU3LULURR6LULLDRDLLLLDDRURRDRRR&V=territory-shade-block-area-3


## Acknowledgements and Changes

**2024-04-08** Thanks to @MartinEnder for feedback on the implementation (and for a first, almost successful attempt at the rule panels).
**2024-04-14** Thanks @PinkHoodie for masterfully crafting the [modern panels|../panels#modern] for [LITS] including all valid tetrominos in the solution!
**2024-04-15** Thanks @AnuragSahay for sending a celebratory puzzle to mark the [LITS] implementation
**2024-04-17** Variants ´´triple´´ and ´´quadruple´´ were added to [LITS] and [SLICY]
**2024-04-19** Noticing that the ´´double´´ variant of [LITS] was listed separately on puzzlesquare, @PinkHoodie made a puzzle, in addition to a classic plus a nice ´´hasu-no-mura´´ mashup!
**2024-05-19** Local variant ´´plus´´ (suggested by @AnuragSahay, who also prepared the variant panels and a puzzle) was added to the [LITS] family of genres ([slicy], [anymino], [LOTS] etc..)
**2024-06-03** :::puzzletters @PinkHoodie sent 2 classics - thank you!
**2024-07-23** Local variant ´´sorted´´ by @Yoshiki added to the [lits] family of genres
**2024-07-27** :::puzzletters @PinkHoodie sent 1 classic plus 2 puzzles using variants ´´sorted´´ and ´´double,sorted´´!
**2024-08-04** :::puzzletters @AnuragSahay sent 1 puzzle using variant ´´sorted´´!
**2024-09-01** :::puzzletters @PinkHoodie sent 1 classic - thank you!
**2024-09-14** :::puzzletters @PinkHoodie sent 1 puzzle using variant ´´quadruple,territory-shade-block-unique´´!
**2024-10-01** Thanks to @PinkHoodie for transcribing @NaokiInaba's original [LITS] set!
**2024-10-10** Local variant ´´o´´ by てけてけ was added to [LITS]!
**2024-10-10** :::puzzletters @AnuragSahay made a [LITS] puzzle using global variant ´´landvermessung´´. Thank you!
**2024-11-16** :::puzzletters @PinkHoodie crafted 1 [lits] (classic) puzzle!
**2024-12-28** :::puzzletters @PinkHoodie crafted 2 [lits] puzzles using variants ´´double´´ and ´´inarow-shade-max-3´´ dispatched 2 [lits] (classic) puzzles!
**2025-01-22** :::puzzletters @Anurag sent a classic [LITS] puzzle - thank you!
**2025-03-16** :::puzzletters @5381 sent a large 19x19 variant ´´territory-shade-block-area-3´´ [LITS] puzzle - thank you!
**2025-03-30** :::puzzletters @PinkHoodie made 1 [lits] puzzle using variant ´´o´´!