Here's my take on it. The phone conversation is akin to the IM conversations that happened in the past during public rounds. Thus, the optimization that RemcovC came up with and conveyed to DrillSargent is official as DrillSargent posted it. RemcovC also potentially had the opportunity to send to code to either me or DrillSargent for posting.

So, go for it. In the long run it will most likely not even change the final results as the trick would have been posted anyway.
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There are two types of vessels, submarines and targets.