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α_{0} = 24^{\circ} α_{0} < 90 ° α_{0} < 180 ° 24 ° = 0

α_{1} = 163^{\circ} α_{1} > 90 ° α_{1} > 180 ° 163 ° = 1

α_{2} = 12^{\circ} α_{2} < 90 ° α_{2} < 180 ° 12 ° = 0

α_{3} = 87^{\circ} α_{3} < 90 ° α_{3} < 180 ° 87 ° = 0

α_{4} = 39^{\circ} α_{4} < 90 ° α_{4} < 180 ° 39 ° = 0

α_{5} = 174^{\circ} α_{5} > 90 ° α_{5} > 180 ° 174 ° = 1

α_{6} = 8^{\circ} α_{6} < 90 ° α_{6} < 180 ° 8 ° = 0

α_{7} = 140^{\circ} α_{7} > 90 ° α_{7} > 180 ° 140 ° = 1

α_{8} = 144^{\circ} α_{8} > 90 ° α_{8} > 180 ° 144 ° = 1

α_{9} = 133^{\circ} α_{9} > 90 ° α_{9} > 180 ° 133 ° = 1

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