0˚ 0˚ 30˚ 30˚ -30˚ -30˚ -60˚ -60˚ -90˚ -90˚ 60˚ 60˚ 90˚ 90˚ -3 0 ˚ 3 0 ˚ 6 0 ˚ 9 0 ˚ 12 0 ˚ -6 0 ˚ -9 0 ˚ -1 2 0 ˚ 0 ˚ -3 0 ˚ -3 0 ˚ -6 0 ˚ -9 0…
