 | | | 07/08/2013 12:26 PM |  John Rowland |  | | Calculation for 6 by 6 by 6 unit cubes (in sphere) | 22/05/2013 11:58 AM | John Rowland |  | | | 01/02/2013 12:02 PM | John Rowland |  | | | 01/12/2011 11:44 AM | John Rowland | | | Solve any Su Doku puzzle "by hand" | 22/09/2010 04:53 PM | John Rowland |
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