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Consider the language L of bitstrings that start with an even length palindrome, followed by a multipe of 4 1 ' s i . e
Consider the language L of bitstrings that start with an even length palindrome, followed by a multipe of s ien where n is any positive integer. For example would be in L since it starts with which is an even length palindrome and ends with which is eight s On the other hand, the string would not be in L even though it has four s at the end, because the preceding string is not an even length palindrome.
Give a Context Free Grammare for L
Show how the sample string would be derived, using your grammar.
Is your grammar ambiguous? Please justify your answer.
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