Determine the number of maximal connected intervals in [-10, 10] where the function f(x) = (-1(1|(-1sin(3πx - 3) + 2) - 1| + 3) + 3)/(-2(1|(-1sin(3πx - 3) + 2) - 1| + 3) - 1) is strictly decreasing.

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