코멘트:
phase0: Point of interess
코멘트:
Phase 0: POI
코멘트:
Phase 2 : weak Flag
코멘트:
Phase 3: Entry
코멘트:
phase 4.1: managment
코멘트:
phase 4.2: Mnagemnt
코멘트:
phase4.1: Managemnt
코멘트:
4.2: management