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

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