Add canonical data for palindrome products
Add canonical data for palindrome products

petertseng/x-common,exercism/x-common,ErikSchierboom/x-common,petertseng/x-common,jmluy/x-common,Vankog/problem-specifications,rpottsoh/x-common,jmluy/x-common,rpottsoh/x-common,jmluy/x-common,ErikSchierboom/x-common,Vankog/problem-specifications,exercism/x-common