As of Tue, 11:45:45 US Central Time 01:11:33: Problem 552371 solved by ikleyn 00:00:13: Problem 552515 solved by ikleyn 03:54:23: Problem 564756 solved by greenestamps 03:16:47: Problem 553434 solved by MathTherapy 03:13:04: Problem 558130 solved by greenestamps 02:52:20: Problem 554469 solved by greenestamps 02:33:54: Problem 558130 solved by MathTherapy 00:29:56: Problem 553434 solved by ikleyn 18:42:28: Problem 554415 solved by ikleyn 17:41:55: Problem 554469 solved by ikleyn 15:52:05: Problem 556147 solved by ikleyn 13:40:20: Problem 556812 solved by ikleyn 04:29:55: Problem 558130 solved by ikleyn 02:34:07: Problem 558894 solved by ikleyn 20:13:20: Problem 564756 solved by n3 18:44:41: Problem 1201530 solved by n3 10:55:03: Problem 1201530 solved by MathTherapy 07:19:26: Problem 564756 solved by AnlytcPhil