Definition: In this task, you need to reverse all words of a given length in the sentence. The number of letters in a word determine its length. For example, the length of the word "apple" is 5.
Input: Sentence: 'ground level view of wide street intersection with line of waiting cars'. Reverse all words of length '12' in the given sentence.

ground level view of wide street noitcesretni with line of waiting cars