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