What the six relationship types and three distances describe, and why An-Kai and Ei-Shin are not verdicts.
Derive six reciprocal pairs from the three-nine ordering using modular offsets, while keeping reference ownership and interpretive limits explicit.
Read first: What are Sukuyō astrology and the birth mansion? · Why Sukuyō Natal Mansion Methods Differ: Tell Lookup from Zoning, Then Check the Rule
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