749.3 763.9 764.0 766 9 767.9 767.5 769.5 763.9 768.3 750.1 760.2 769.1 769.1 769.0 771.0 771.1 770.4 767.5 765.9 767,0 745.9 765.8 762.9 764.2 772.6 772.9 774.9 — 21 —12