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

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