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

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