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- 09:04, 14 December 2007 diff hist +500 Euler problems/131 to 140
- 01:49, 14 December 2007 diff hist +772 Euler problems/141 to 150
- 11:42, 13 December 2007 diff hist +799 Euler problems/111 to 120
- 06:31, 13 December 2007 diff hist +1,207 Euler problems/121 to 130
- 13:52, 11 December 2007 diff hist +1,456 Euler problems/131 to 140
- 09:52, 10 December 2007 diff hist +99 Euler problems/91 to 100
- 08:02, 10 December 2007 diff hist +428 Euler problems/121 to 130
- 12:50, 9 December 2007 diff hist +667 Euler problems/101 to 110
- 10:42, 9 December 2007 diff hist +616 Euler problems/91 to 100
- 07:01, 8 December 2007 diff hist +346 Euler problems/111 to 120
- 03:33, 8 December 2007 diff hist +335 Euler problems/101 to 110
- 11:18, 7 December 2007 diff hist +86 Euler problems/81 to 90
- 03:37, 7 December 2007 diff hist +626 Euler problems/111 to 120
- 14:36, 6 December 2007 diff hist +574 Euler problems/81 to 90
- 12:09, 4 December 2007 diff hist +513 Euler problems/91 to 100
- 09:49, 4 December 2007 diff hist +448 Euler problems/91 to 100
- 12:59, 3 December 2007 diff hist +671 Euler problems/51 to 60
- 00:37, 2 December 2007 diff hist +205 Euler problems/21 to 30
- 08:46, 1 December 2007 diff hist +51 Euler problems/21 to 30
- 08:35, 1 December 2007 diff hist +325 Euler problems/41 to 50