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27.01.2012 New claim submitted for Longest Kart Race 11.01.2012 New claim submitted for Mental Calculation, Square Roots 09.01.2012 New claim submitted for Solving Rubiks 4 x 4 x 4 cube Keywords: (e.g football beer mat)	Listed below are the verified claims for the record listed. Ultra speed memory - Decimal numbers - 4 seconds - Current world record 1. 26 Ramón Campayo (Spain) on 8 June 2006 in Pelhøimov, Czech Republic   Previous verified claims 1. 25 Ramón Campayo (Spain) on 29 May 2006 in Berlin, Germany 2. 22 Gert Mittring (Germany)     The Book of Alternative records - World records, record breakers and more!