another head from sub
--->
eposubsub in sub/subsub/subsubsub
../eposubsub
--->
eposubsub in sub/subsub
../*
eposubsub in base dir
epopage1
PAGE 1
../epopage1
PAGE 1
epopage2
PAGE 2
../epopage2
PAGE 2
../sub/epopage2
PAGE 2
../eposubsub
eposubsub in base dir
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