Study the following information carefully and answer the questions given below :

When a word and number arrangement machine is given an input line of words and numbers, it arranges them following a particular rule. The following is an illustration of input and rearrangement.
(All the numbers are two digit numbers)
Input : 24 method 87 67 of data 34 collection 45 12 specified now
Step I : 12 method 87 67 of data 34 collection 45 specified now 24
Step II : 34 12 method 87 67 of data collection specified now 24 45
Step III: 67 34 12 method of data collection specified now 24 45 87
Step IV : collection 67 34 12 method of specified now 24 45 87 data
Step V : method collection 67 34 12 of specified 24 45 87 data now
Step VI: of method collection 67 34 12 24 45 87 data now specified
Step VII is the last step of the above arrangement as the intended arrangement is obtained.
As per the rules followed in the given steps, find out the appropriate steps for the given input.
Input : chemical 68 11 reaction 87 is 21 hard to 53 92 detect