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1² = 1
11² = 121
111² = 12321
1111² = 1234321
11111² = 123454321
111111² = 12345654321
1111111² = 1234567654321
11111111² = 123456787654321
111111111² = 12345678987654321
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1² = 1
11² = 121
111² = 12321
1111² = 1234321
11111² = 123454321
111111² = 12345654321
1111111² = 1234567654321
11111111² = 123456787654321
111111111² = 12345678987654321
01