replacement remote programming

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2007 Mazda CX-9 Touring
Question, i have 3 remotes. I used remotes 1 and 2 to program remote # 3 by myself. If i need to program another remote to replace an original can i use remote # 2 and # 3 to program the new remote which would be # 4 to replace the first remote? these remotes are switchblade type. All input would be greatly appreciated. Thank you.
 

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