For the function f(x) = 2cos(3π(3(-2|(-5x - 2) - 3|)^2 + 3(-2|(-5x - 2) - 3|) + 4) - 1) - 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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