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 : exam 81 56 over down up 16 64
Step I : down exam 81 56 over up 16 64
Step II : down 81 exam 56 over up 16 64
Step III : down 81 exam 64 56 over up 16
Step IV : down 81 exam 64 over 56 up 16
Step IV is the last step of the rearrangement of the above input.
As per the rule followed in the above steps, answer the following questions.
Input: 32 now 20 gift 53 box 62 at Which of the following will be step IV?