A.6 B.8 C.9
A.50% B.45% C.30%
A.先帶船首單頭纜，次帶船尾單頭纜繩，再去船首帶回頭纜，最后帶船尾回頭纜 B.先帶船尾單頭纜，次帶船首單頭纜繩，再去船首帶回頭纜，最后帶船尾回頭纜 C.先帶船首單頭纜，次帶船尾單頭纜繩，再去船尾帶回頭纜，最后帶船首回頭纜
