For the function f(x) = -2(-2(1cos(1π(2|x - 1| + 3) + 3) + 1) + 5)^2 + 3(-2(1cos(1π(2|x - 1| + 3) + 3) + 1) + 5) + 3, find the number of maximal connected intervals in [-10, 10] where f'(x) < 0.

Present the answer in LaTex format: \boxed{Your answer}
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