761 , 8:4759 , 8U765 , 8 759 , 8U765 , 8 - f766 , 7 !-^- 765.4 +- 757.4 4 756.1 762.0 754.2 758.6 766.2 766,4 766.6 763.6 753.7 756.3 753.3 762.2 752.2 757.7756.1