Arrange the digits from 1 to 9 to make a 9-digit number ABCDEFGHI which satisfies the following conditions:

1) AB is divisible by 2;

2) ABC is divisible by 3;

3) ABCD is divisible by 4;

4) ABCDE is divisible by 5;

5) ABCDEF is divisible by 6;

6) ABCDEFG is divisible by 7;

7) ABCDEFGH is divisible by 8;

ABCDEFGHI is divisible by 9.

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