<P> A palindrome is a word, phrase, number, or other sequence of characters which reads the same backward as forward, such as madam or "taco cat" or racecar . Sentence - length palindromes may be written when allowances are made for adjustments to capital letters, punctuation, and word dividers, such as "A man, a plan, a canal, Panama!", "Was it a car or a cat I saw?" or "No' x' in Nixon". </P> <P> Composing literature in palindromes is an example of constrained writing . </P>

Words spelled backwards and forwards the same way