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

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