Analysis: Variant of Polynomial Series. -344 17 -2 5 ( 124) 65
↓↓↓↓ ↓ (-7) 3-1(-4) 2+1(-1) 3-122+1(53-1) 82 6 7 18 23 38 (47)↓ ↓ ↓ ↓ ↓ ↓22+2 32-2 42+2 52-2 62+2 (72-2)
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