Study the following information carefully and answer the given questions.
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. 
Input: njes glfu 53 18 31 44 wird dect 
Step 1: ykte 106 njes glfu 18 31 44 dect. 
Step 2: qmhu 132 ykte 106 glfu 18 31 dect. 
Step 3: kpjx 124 qmhu 133 ykte 106 18 dect. 
Step 4: ijhx 90 kpjx 124 qmhu 133 ykte 106. 
As per the rules followed in the given steps, find out the appropriate steps for the Input. 
Input: olpj 21 htpl 34 tnjg 56 67 bnmc