POR+QOR= 180°SO, POR+QOR+QOS=312°180°+QOS= 312°QOS=312°-180°QOS=132°QOS+POS=180°POS=180°-132°POS=48°QOS+QOR=180°QOR=180°-132°QOR=48°POR+QOR=180°POR=180°-48°POR=132°
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