A=(kx-(π/4),kx+(π/4))B=(-2π,2π),
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A=(kx-(π/4),kx+(π/4))B=(-2π,2π),
A=(kx-(π/4),kx+(π/4))B=(-2π,2π),
A=(kx-(π/4),kx+(π/4))B=(-2π,2π),
(2π,-7π/4)(-5π/4,-3π/4)(-π/4,π/4)(3π/4,5π/4)(7π/4,2π)