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The symbols of the cardinal directions N, S, O, W, NO, NW, SO and SW are the trigrams – eight different combinations of the two Yin and Yang lines. The middle, the centre is without direction, and therefore it has no trigram equivalent.
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North | - | 1 | - | Water | ||
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Southwest | - | 2 | - | Earth |
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East | - | 3 | - | Wood | ||
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Southeast | - | 4 | - | Wood | ||
| Centre | - | 5 | - | Earth | |||
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West | - | 6 | - | Metal | ||
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Northwest | - | 7 | - | Metal | ||
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Northeast | - | 8 | - | Earth | ||
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South | - | 9 | - | Fire | ||