Use 123456 six digits to form four digits without repetition, which is the common multiple of 9?

Use 123456 six digits to form four digits without repetition, which is the common multiple of 9?

Divided by 9, that is to say, adding four digits is a multiple of 9
Anyway, the number is good, so you can use exhaustive
3456 is a multiple of 9
Then, the four numbers are arranged as 4 * 3 * 2 * 1 = 24

Elden Ring Premiere

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