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