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