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