Might there be another S tetromino beyond the ones given in the final solution in Serkan Yürekli’s LITS grid?

PDF

or solve online (using our beta test of Penpa-Edit tools; use tab to alternate between a shading mode and a mode to mark edges with an X.)

Theme: All Givens

Author/Opus: This is the 420th puzzle from our managing editor Serkan Yürekli.

Rules: Standard LITS rules.

Difficulty: 1 star

Time Standards (highlight to view): Grandmaster = 0:15, Master = 0:50, Expert = 1:40

Solution: PDF and solving animation.

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. More LITS puzzles can be found in these books in our e-store.

Note 2: Comments on the blog are great! For a more interactive discussion, please also consider using our Season 2 Preview Week Discussion post on the GMPuzzles Discord. Not a member of the Discord? Click this link for basic access and check subscriber instructions for role-related access.