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- 14:31, 21 January 2008 diff hist -1,776 Euler problems/21 to 30
- 05:30, 21 January 2008 diff hist +960 Euler problems/161 to 170 Added solution for problem 166
- 12:22, 20 January 2008 diff hist -1,073 Euler problems/71 to 80
- 07:51, 20 January 2008 diff hist -1,328 Euler problems/71 to 80
- 13:12, 19 January 2008 diff hist -3,330 Euler problems/61 to 70
- 13:55, 18 January 2008 diff hist +1,276 Euler problems/81 to 90
- 03:36, 18 January 2008 diff hist -2,859 Euler problems/51 to 60
- 11:41, 17 January 2008 diff hist -1,567 Euler problems/41 to 50
- 03:55, 17 January 2008 diff hist +68 Euler problems/31 to 40
- 03:36, 17 January 2008 diff hist +1,413 Prime numbers
- 00:44, 17 January 2008 diff hist -1,080 Euler problems/31 to 40
- 13:44, 16 January 2008 diff hist -501 Euler problems/11 to 20
- 13:16, 16 January 2008 diff hist -74 Euler problems/1 to 10
- 14:37, 15 January 2008 diff hist +2,712 Euler problems/111 to 120
- 14:34, 15 January 2008 diff hist +507 Euler problems/121 to 130
- 05:37, 15 January 2008 diff hist +541 Euler problems/81 to 90
- 03:07, 15 January 2008 diff hist +306 Euler problems/111 to 120
- 12:44, 14 January 2008 diff hist +104 Euler problems/101 to 110
- 08:16, 14 January 2008 diff hist -282 Euler problems/101 to 110
- 07:05, 14 January 2008 diff hist -484 Euler problems/91 to 100