Suppose a 7-digit number has digits (left to right). Which rule will allow us to check if the number is divisible by 12?

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Suppose a 7-digit number has digits<br><img src='https://www.fatskills.com/images2/GradExams/51E36A55-B760-4E59-8D20-8FC236B3FF82.png' height='13' width='96'/> (left to right). Which rule will allow us to check if the number is divisible by 12?