Scheme Functions

Write a function, max-contiguous-repeated-length (mcrl for short), in Scheme that takes a list, that may be empty and returns the maximum length of a contiguous repeated element. Contiguous, in this case, means there are no gaps between the repeated elements. If there are multiple different elements that are in a repeated contiguous sublist of the same length and the length is the max, then you only need to return the length once.