Solving UnfavorableSemicircle

On the 5th of April 2015 a YouTube channel named Unfavorable Semicircle started uploading strange videos. Generally the videos:

All Videos (new & old) are typically named with the astrological symbol for Sagittarius, ♐.

The initial videos from were titled with 6 random digits, occasionally fewer. Ar round the 14th of Feb 2015 videos titled "♐BRILL" followed by a number counting up were posted.

At approximately 2016-02-25 15:40 EST, the UnfavorableSemicircle YouTube account was suspended for TOS violations - most likely from uploading many videos very fast.

On the 15th of March 2016 Garbled text was discovered on the Google+ page linked with the terminated YouTube account. This was decoded to be source of a Twitter page and also contained a link to a new YouTube account. Both these accounts are named Unfavorable Semi.

The twitter account is mostly posting videos titled as "♐LEE" followed by a number counting up, occasionally this counter has started and restated from seemingly random points. It has also been seen to post Tweets without videos, that have pointed to videos on the associated YouTubebe channel,

The new YouTube channel has posted a small number of regular videos, as well as: The original YouTube had some anomalous videos: Some Theories: