4. What are the laws of 3, 2, 6, 6, 3, 8, 12, 5, 10, (), 7

Twelve numbers. It's a three sequence
The number 1, 4, 7 and 10 is: 4.6.8.10 (tolerance 2)
The second, fifth, eighth and eleventh numbers are: 3.6.12
The third, sixth, ninth and twelfth numbers are: 2.3.5.7 (prime number column)
So? 12 * 2 = 24

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11. 3.5.6.10.9.15 () ()
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