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ACROSS

 1 Around back of kitchen, attack a pancake (6)

 4 Portal opened wide, nearly revolving with effort (8)

 9 Money spent unwisely on overtime (3-4)

11 After a short time, cry uncontrollably about launch of evil policy the CIA depends on (7)

12 Carly improved synthetic fiber (5)

14 Mock authority imprisoning myself with Cheney endlessly (8)

16 Small tool to make part of a brake (4)

17 Nineteenth-century artifacts, collected initially in haphazard variation (10)

19 Lives with different man, almost exactly as hot (10)

21 Reversed sushi ingredient’s decrease? (4)

23 Jerk in retreat dodges grapefruit, lemons, and oranges (8)

25 Lots of grass in Oregon, ultimately breaking ordinances (5)

27 Protection for a finger that some might say is a thign? (7)

28 How Macbeth introduces himself to Tarzan? That’s a gas! (7)

30 Low, deceptive ploy to capture knight in a game you could play with one of the eight classic 31 in the grid (8)

31 Rolling Stone includes $1,000 souvenirs (6)

DOWN

 1 Pursuing hit, let’s recast fashionable vessel (10)

 2 and 29 Native’s pension consumed (6)

 3 1960s art seen in that component of a formal outfit (3,3)

 5 Neon Speedo, oddly, is detected by 24 (5)

 6 It goes fast, whether heading north or south (7)

 7 This is a lot of fun: pound a projectile implement for hauling (11)

 8 Timeless toy coming up repeatedly! (2-2)

10 Story involving stray dog (7)

13 Reptile’s accordion playing captivates Long Island (11)

15 Vile nastiness engulfing a French composer (5-5)

18 Opening above a door extended inside the majority of building (7)

20 One type of jazz instrument keeps decibels at zero (4,3)

22 Game of chance after sip of beverage is drunk (6)

24 Odor from dump overwhelming mayor at first (5)

26 Time edited article (4)

29 See 2

SOLUTION TO PUZZLE NO. 3366

ACROSS 1 LASTS + UPPER 6 SKI + P 9 CO(PYR[e])IGHT (Gothic anag.) 10 O(US)T + S 11 anag. 12 A + NARC + HIST (anag.) 13 YAR (rev.) + DSALE (anag.) 15 L + EDGES 17 hidden 18 DEA + THROW 21 P(OLARB)EAR (labor anag.) 22 A + N(V)IL 24 RE(L)IC (rice anag.) 25 [c/B]-RITICISM 26 rev. 27 MAN(GO)S + TEEN

DOWN 1 LE(CH)ERY 2 hidden 3 anag. 4 P(IG)TAILS (plaits anag., &lit.) 5 anag. 7 KISSING-ER 8 hidden 10 anag. 14 anag. 16 REAR + MING 17 PA + PYRUS (anag.) 19 2 defs. 20 anag. 23 V + O + I + CE)