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

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