esper(6x) on Linux
The text 183951b8914a, as Debian 11 (Bullseye) shipped it.
Enhance 224 to 176. Go right. Enhance 57 19. Track 45 left.
Flags it lists
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-delay -
-fps -
-no-fps -
-no-titles -
-root -
-speed -
-titles -
-visual -
-window