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