2060. Check if an Original String Exists Given Two Encoded Strings

An original string, consisting of lowercase English letters, can be encoded by the following steps: - Arbitrarily split it into a sequence of some number of non-empty substrings. - Arbitrarily choose some elements (possibly none) of the sequence, and replace each with its length (as a numeric string). - Concatenate the sequence as the encoded string. For example, one way to encode an original