(A) /\ / /\ \ / / \ \ / / \ \ / / \ \ / (C)/ \(D) \ (B)/_______/__________\_______\(E) | \__ / \ __/ | | (F)X__ __X(G) | | / \___ ___/ \ | | / ___><___ \ | | / __/ (H) \__ \ | | / __/ \__ \ | |/_/____________________\_\| (I) (J)