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The 12th February 2004 was a busy day for Scuderia Ferrari’s test team. Michael Schumacher and Rubens Barrichello completed a total of 705 kilometres, but they were separated by a much greater distance. While the German lapped on his own at Mugello at the wheel of the new F2004, the Brazilian was at the wheel of the F2003-GA working on Bridgestone tyre development at Jerez de la Frontera with the other teams. At the time, it was commonplace for the Scuderia to work in splendid isolation on the development of the new car: that year, it was only at the end of February at Imola that Schumacher and Barrichello went up against their rivals.