I have a scrap of extended elevation to left and I want to flip it so it will be to the right, but when I add -flip horizontal to the scrap definition it flips it upside down and mashing up the lines. 

  -flip vertical does the same thing.

am I missing something?

my file is generated from Topodroid

I added an examples of what it does and the .th +.th2 files 

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