| α | Reserve 5 search out-degree directions | Discard 3 search out-degree directions |
| [337.5°, 360°) ∪ [337, 5°, 360°) | 000T, 045T, 090T, 270T, 315T | 135T, 180T, 225T | [22.5°, 67.5°) | 000T, 045T, 090T, 135T, 315T | 180T, 225T, 270T | [67.5°, 112.5°) | 000T, 045T, 090T, 135T, 180T | 225T, 270T, 315T | [112.5°, 157.5°) | 045T, 090T, 135T, 180T, 225T | 270T, 315T, 000T | [157.5°, 202.5°) | 090T, 135T, 180T, 225T, 270T | 000T, 045T, 315T | [202.5°, 247.5°) | 135T, 180T, 225T, 270T, 315T | 000T, 045T, 090T | [247.5°, 292.5°) | 180T, 225T, 270T, 315T, 000T | 045T, 090T, 135T | [292.5°, 337.5°) | 225T, 270T, 315T, 000T, 045T | 090T, 135T, 180T |
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