GC SF Sp WH BV YL BT CP SA CB CC Solution

YesterdayLand

Torsion Twirl

I really enjoyed riding the torsion twirl, but I got so dizzy… These dancers curve effortlessly! They told me the trick is they always get back exactly where they started in finitely many steps, they just have to make sure they know how many. “It’s all about the order,” they said.

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y2 = x3 + x2x

y2 = x3 + x2 − 36x − 140

y2 = x3 + 4x

y2 = x3x2 + 16x − 180

y2 + y = x3x2 − 10x − 20

y2 + y = x3 − 2x − 1

y2 + y = x3 + x2x

y2 + xy + y = x3x2 − 3x + 3

If you need help with the computations, they recommended their PARIsian choreographers.