For the function f(x) = 3|((3(-1cos(1πx - 1) - 2) + 3)/(-1(-1cos(1πx - 1) - 2) - 2))| + 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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