How many elements are there between the element which is fourth to the left and the element which is third to the right in step IV?

One Word & one number are arranged in a single step. Words logic: first all words starting with vowels are arranged according to dictionary order, after that words starting with consonants are arranged according to dictionary order. Means: In step 1, word starting with vowels which will come first according to alphabetical order is taken & placed at first, also, smallest number is taken & is placed after the word rearranged. In step 2, word (from remaining words) starting with vowels which will come first according to alphabetical order is taken & placed after the number placed in previous step, also, smallest number(from remaining numbers) is taken & is placed after the word rearranged in the same step. After all the words starting with vowels are rearranged, we will arranged words starting with consonants & follow the same pattern mentioned above. INPUT: now 43 ocean bounce 29 marigold 49 55 evolution 62 80 sand turn 90.   Step I: evolution 29 now 43 ocean bounce 49 marigold 55 62 80 sand turn 90.   Step II: evolution 29 ocean 43 now bounce 49 marigold 55 62 80 sand turn 90.   Step III: evolution 29 ocean 43 bounce 49 now marigold 55 62 80 sand turn 90.   Step IV: evolution 29 ocean 43 bounce 49 marigold 55 now 62 80 sand turn 90.   Step V: evolution 29 ocean 43 bounce 49 marigold 55 now 62 sand 80 tune 90. From step IV: Step IV: evolution 29 ocean 43 bounce 49 marigold 55 now 62 80 sand turn 90. the element which is fourth to the left is “43” and element which is third to the right is “sand”. Number of elements between them is seven.