def find_max_scs_length_of_2_combinations(sequences):
        """ Returns maximum scs_length(s1,s2) for any s1, s2 in sequences. Note that this does not
            guarantee the length of the actual SCS of the entire set of sequences. """
        result = -1
        for i in range(len(sequences)):
            for j in range(i+1, len(sequences)):
                length = scs_length(sequences[i], sequences[j])
                if length > result:
                    result = length
        return result
 Returns maximum scs_length(s1,s2) for any s1, s2 in sequences. Note that this does not
            guarantee the length of the actual SCS of the entire set of sequences. 
recipes/Python/578678_Shortest_CommSupersequence/recipe-578678.py