I. Canonical Essence & Metaphysical Foundation
gu sui fu_Yang-Tuo Sandwiched Obstaclejue duan：Dagger Star (Qingyang)Spinning Top Star (Tuoluo)jiaTransformation to Obstacle (Hua Ji)，chengYang-Tuo Sandwiched Obstacle，zhu guan fei guan song yu da xiong。
II. Canonical Formulas & Deduction Rules
Formula & Verse
Formula for GSF V1 gu sui fu Yang-Tuo Sandwiched Obstacle:Emperor Star (Ziwei)wei jun，yiLeft Assistant StarRight Assistant Starwei xiang。
- PROMOTE(gu sui fu_Yang-Tuo Sandwiched Obstacle): Dagger Star (Qingyang)Spinning Top Star (Tuoluo)jiaTransformation to Obstacle (Hua Ji)，chengYang-Tuo Sandwiched Obstacle，zhu guan fei guan song yu da xiong。
- EVALUATE(san fang si zheng yu ji xing): shen cha ji yao fu zhu
- SUPPRESS(sha xing kong jie ke hai): fang sha xing jie ru jian li
- WARN(sui yun jin tui qi): xing yun feng sheng wang zhi di xian xiao
III. Promote Conditions & Clash Avoidance
Gu Sui Fu Classics Theorem: GSF V1 gu sui fu Yang-Tuo Sandwiched Obstacle dreads Earthly Branch Six Clashes, Three Punishments, and Voidness. Branch clashes break structural harmony.