goldfinch

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problem revision 678

7/27/2026, 3:53:51 PM

problem revision 677

7/27/2026, 3:51:44 PM

problem revision 676

7/27/2026, 3:19:57 PM

problem revision 431

7/11/2026, 6:27:51 PM

problem revision 423

7/11/2026, 3:52:48 PM

problem revision 397

7/10/2026, 2:11:52 PM

concept revision 396

7/10/2026, 2:08:49 PM

problem revision 395

7/10/2026, 2:04:41 PM

problem revision 394

7/10/2026, 2:04:05 PM

problem revision 391

7/10/2026, 1:47:59 PM