(90° – 180°) (90° – 195°)
(90°-180°) (90°-210°)
(90°-135°) (90°-165°)
(90°-135°) (90°-180°)
(90°-210°)
7 positions
360°
90° – 180° 7 positions
90° – 165° 6 positions
105° – 180° 6 positions
90° – 150° 5 positions
105° – 195° 7 positions
120°-210° 7 positions
90°- 180° 7 positions
90° – 135° 4 positions
150° – 180° 3 positions
120° – 210° 7 positions
