A word and number arrangement machine when given an input line of words and numbers rearranges them following a particular rule in each step. The following is an illustration of input and rearrangement.

Input    : gone 93 over 46 84 now for 31

Step I   : 31 gone 93 over 46 84 now for

Step II  : 31 over gone 93 46 84 now for

Step III : 31 over 46 gone 93 84 now for

Step IV : 31 over 46 now gone 93 84 for

Step V  : 31 over 46 now 84 gone 93 for

 

and Step V is the last step of the rearrangement of the above input.

 

As per the rules followed in the above steps, find out in each of the following questions the appropriate step for the given input.

 

Step III of an Input : 15 window 29 93 86 sail tower buy