For the function f(x) = 1sin(1π(1(1(-2|x - 3| - 3)^2 - 2(-2|x - 3| - 3) + 4) + 4) + 3) - 3, find the number of maximal connected intervals in [-10, 10] where f'(x) < 0.

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