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=cv e's q ¿ ½%À Á  Á à »;Ä \ x ;Celebrate the music with us in the Shoals!Let's understand the logic first 1In the given sequence the letters are arranged in acending and descending order 2A (first letter) is followed by Z(last letter) and so on So, the next letter will be A , Z , B , Y , C, X , D , W , E , V , F Www Ams Org Journals Bull 1993 28 02 S0273 0979 1993 2 S0273 0979 1993 2 Pdf 'w¶ ¤¢ XbV[ Ç