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