static SCORE Subst(const Seq &seqA, const Seq &seqB, unsigned i, unsigned j) { assert(i < seqA.Length()); assert(j < seqB.Length()); unsigned uLetterA = seqA.GetLetter(i); unsigned uLetterB = seqB.GetLetter(j); return VTML_SP[uLetterA][uLetterB] + g_scoreCenter; }