On how many maximal connected intervals within [-10, 10] is the derivative of f(x) = -5(-3|(-2cos(2πx - 1) + 3) + 1| + 3)^2 - 3(-3|(-2cos(2πx - 1) + 3) + 1| + 3) positive?

Present the answer in LaTex format: \boxed{Your answer}
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