For the function f(x) = -3cos(3π(-5(-1|x - 1| + 2)^2 - 1(-1|x - 1| + 2) + 2) - 2) + 1, 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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