Create the corresponding counting trees with the following traversals: 1. Pre: IAMHEDBCFL Post: EHDMALFCBI In: AHEMDICFLB 2. Pre: ABDGCEHIF In: DGBAHEICF 3. Post: CBFEGDA In: CBAEFDG 4. Post: FABG/+CD - ^* In: F/AGB*+^C-D

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