You won't have a new location before solving the vodka puzzle. You have to fiddle with the bottle and glasses a little.
Spoiler
You have: Bottle (B), RG and YG. Use B on RG, RG on YG, YG on B, RG-YG, YG-B, RG-YG, B-RG, RG-YG,YG-B, RG-YG, YG-B, RG-YG, B-RG, RG-YG.
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