Easy as LITS by Prasanna Seshadri

LITS by Prasanna Seshadri


or solve online (using our beta test of Penpa-Edit tools)

Theme: Symmetry and Logic

Author/Opus: This is the 52nd puzzle from our contributing puzzlemaster Prasanna Seshadri.

Rules: Standard LITS rules. Also, the letters outside the grid indicate the first tetromino encountered in the corresponding direction. Or see this:

LITS by Chris Green

(Example by Chris Green, a patron who requested this puzzle style.)

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 = 2:30, Master = 3:30, Expert = 7:00

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.

  • Carl W says:

    9:50 This variation to LITS is great fun, (and this puzzle is a perfect introduction to it).

  • skynet says:

    18:22.I could not find the logical continuation in here.Riraghnyyl,thrffrq ng E2P9 nffhzvat vg gb or n G Grgebzvab naq bognvarq n pbagenqvpgvba nsgre dhvgr fbzr cebterff.Gura erghearq onpx,renfrq vg naq jnf ba gur evtug genpx.A bit more difficult for a wednesday but a very good puzzle.

    • Jack Bross says:

      I think the opening logic that you’re referencing goes something like this:

      Gurer pna’g or na V va gur gbc pragre ertvba jvgubhg oybpxvat gur G pyhr, fb jr xabj gung gur gjb fdhnerf orybj gur V ner oynax, naq gung sbeprf gur G grgebzvab va gur gbc pragre ertvba (cbfvgvbarq havdhryl gb gur evtug bs gur ertvba). Gur bayl ertvba guvf G pna pbaarpg gb vf gur gbc evtug, fb gurer pna’g or n G va gung ertvba, naq gung sbeprf gur fdhnerf ivfvoyr gb gur G ba evtug rqtr gb or oynax. Gung chfurf gur grgebzvab vagb gur obggbz cneg bs gur ertvba, naq vg zhfg or na Y sebz gur pyhrf cebivqrq (cbfvgvba ntnva havdhryl qrgrezvarq).

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