Solving this play is like solving one out of twelve Putnam Competition Problems.
From the text of Self-Opening...
⚫"ACTOR: Onstage there is a bed up-off-center and a desk down right. On the bed is a bag. A kitchen cupboard (waist-height high) is somewhere, as is a footstool for a chaise, but the chaise is not elsewhere on stage. On the footstool is a sweater. There is also a sink somewhere."
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