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Find the patterns this is only 3 question.

1. 70, 69, 65, __, 48, __, 19, __.

2. __, 5, 4, 7, 6, 9, __, 11, 10, __, .

3. 12, 11, 10, 8, 6, 5, __, 2, __, __

Hope you understand it.