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			 The Italian company said in a statement at the Japanese Grand Prix 
			that it had no say over which tyres were allocated to whom, or when 
			they were used. 
			 
			Mercedes were eclipsed by rivals Ferrari and Red Bull in qualifying 
			in Singapore, after Lewis Hamilton and Nico Rosberg had taken pole 
			position in all 12 previous grands prix, and also in the floodlit 
			race won by Ferrari's Sebastian Vettel. 
			 
			Some of the more extreme theories circulating within the paddock 
			after qualifying and the race wondered whether Mercedes might 
			somehow have been given different tyres to their rivals to slow them 
			down. 
			 
			Even Mercedes motorsport head Toto Wolff admitted to a momentary 
			doubt: "For a moment I thought 'Have Pirelli given us a different 
			tyre to the others?'" reports quoted the Austrian as saying. 
			
			  
			"I’m not saying that it happened, just that I thought it," he added. 
			 
			In a statement explaining how the tyres are marked at their Turkish 
			factory with embedded and traceable bar codes that cannot be 
			swapped, Pirelli said their process was designed to be tamper-proof 
			and random. 
			 
			"Once the production run for each grand prix is finished, the Izmit 
			factory sends a list of the bar codes to Pirelli's logistics and 
			distribution hub at Didcot in the United Kingdom," the Italian 
			manufacturer said. 
			
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			"There, Pirelli's system randomly groups the bar codes into blocks 
			of four, comprising two rears and two fronts, which will make up a 
			tyre set. This list of blocks is then sent to the (governing) FIA. 
			 
			"The FIA subsequently allocates blocks of bar codes -- and therefore 
			sets of tyres -- to each individual car at random," said Pirelli. 
			 
			Motorsport head Paul Hembery added: "Deciding which tyres are 
			allocated to which teams, or when they are used, is a job taken care 
			of entirely by the FIA once the tyres have left the factory. 
			 
			"It is just another way that impartiality can be ensured among all 
			the teams, which has always been a huge priority for us as exclusive 
			tyre supplier." 
			 
			(Reporting by Alan Baldwin, editing by Amlan Chakraborty) 
			
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