In the number ‘8472674634’, if all the even digits are subtracted by 1 and all the odd digits are added by 1. After that arrange 2nd, 4th, 6th and 8th digits in ascending order from left and rest of the digits in descending order after them. Now find the sum of the third odd digit from the right end and third even digit from the left end, in the new number formed after rearrangement?