1 |
21 |
202 |
2121 |
50505 |
212121 |
13131313 |
21212121 |
1 |
21 |
202 |
2121 |
50505 |
212121 |
13131313 |
21212121 |
1 |
21 |
202 |
21×101 |
50505 |
21×10101 |
13131313 |
21×1010101 |
1 |
21 |
2×101 |
21×101 |
5×10101 |
21×10101 |
13×1010101 |
21×1010101 |
1 |
21 |
2 |
21 |
5 |
21 |
13 |
21 |
21 |
21 |
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