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

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