Kevin's Puzzles at Home Season 9, Episode 3: Hopefully Not "Sew" Much Harder

PREVIOUS EPISODES
Introduction (what these puzzles are and why they're called "Kevin's Puzzles at Home Season 9"): click here
Episode 1 (This One's for the Dogs!): puzzle PDF, hint PDF
* 17 people solved this within the first week for 50 points apiece; 1 person solved it later for 25 points.
Episode 2 (Scintillating Sci-Fi): puzzle PDF, hint PDF (new!)
* 18 people solved this within the first week for 50 points apiece.

The total number of points scored is 1775. Thus, the current money pool for Palm Beach County Food Bank is $17.75. Three anonymous benefactors have agreed to match this donation, meaning that Palm Beach County Food Bank will actually receive $71.00. If you haven't already, you may solve the above puzzles for 25 points each, possibly with the aid of the hint.

KEVIN’S PUZZLES AT HOME
SEASON 9, EPISODE 3:
HOPEFULLY NOT “SEW” MUCH HARDER
Kevin just found another childhood quilt that his grandmother made him, titled “Sema IV”. Kevin doesn’t remember there being a “Sema I”, “Sema II”, or “Sema III”, though. Is there perhaps a puzzle hidden in this quilt, too?

(This illustration by Tintinabar is not part of the puzzle. Any resemblance between this Kevin and the one who runs www.kevinspuzzles.com is purely coincidental.)

Submit your answer to glmathgrant[at]gmail[dot]com for 50 points, and stay tuned next week for Episode 3's hint and Episode 4's puzzle. Good luck!

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