If all the vowels of the word ‘IMPLANTATION’ are replaced by its succeeding letter according to the English alphabet and all the consonant are replaced with their previous letter according to the English alphabet and then all the letters are arranged in the alphabetical order, then how many letter are there between the third letter from the left end and third letter from the right end in the English alphabetic series?

I               M            P             L              A             N             T              A             T              I               O             N J              L              O             K             B             M            S              B             S              J              P             M B             B             J               J              K             L              M            M            O             P              S              S