The game won't allow gas/none planets. Not sure how it gets around the situation you describe though. I do know it won't result in a gas/non planet.
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SE4 Code:
L GdY $ Fr- C- Sd T!+ Sf-- Tcp-- A% M>M+ MpD! RV Pw Fq+ Nd- Rp+ G-
/SE4 Code
Go to
my meagre SEIV pages to generate your own code.