frame step 16.67 ms: FLIP over frames 70-79 1010101010; consecutive frames differ in 55.9% of channels (max 14), two apart in 0.0%
frame step 33.3 ms: FLIP over frames 70-79 0000000000; consecutive frames differ in 0.0% of channels (max 0), two apart in 0.0%
frame step 16.67 ms&still=1: FLIP over frames 70-79 0000000000; consecutive frames differ in 0.0% of channels (max 0), two apart in 0.0%
