Determine the number of maximal connected intervals in [-10, 10] where the function f(x) = 5((2(2sin(2πx - 2) - 2) - 1)/(-1(2sin(2πx - 2) - 2) - 2))^2 - 3((2(2sin(2πx - 2) - 2) - 1)/(-1(2sin(2πx - 2) - 2) - 2)) is strictly decreasing.

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