static bool IsPalindrome(string a, string b)

{

    var checkCount = (a.Length + b.Length)/2+(a.Length + b.Length) % 2;

    for(var c = 0; c < checkCount; c++)

        if(c >= a.Length && b[c - a.Length + 1] != b[b.Length - c - 1])

            return false;

        else if(c >= b.Length  && a[c] != a[a.Length - c - 1 + b.Length - 1])

            return false;

        else if(a[c] != b[b.Length - c - 1])

            return false;

​

​

    return true;

}

​