On how many maximal connected intervals within [-10, 10] is the derivative of f(x) = 3(-5((1(-3|x - 3| + 3) + 2)/(-3(-3|x - 3| + 3) + 4)) - 4)^2 - 1(-5((1(-3|x - 3| + 3) + 2)/(-3(-3|x - 3| + 3) + 4)) - 4) positive?

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