E. Now, connect all the digits in a simple arithmetic addition until a result is obtained. The result must be a number divisible by 10 with no remainder, meaning that its unity number is 0. 0123 45674 121212121 0 2264 10 6 14 4 022641654 0 + 2 + 2 + 6 + 4 + 1 + 6 + 5 + 4 = 30

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