There is a 2-wide, 3-high grid of pale diamonds (without lines). They blink white in this order (1,1 is the top left; L means it stays white twice as long): "1,2 1,3 2,1-L 1,2-L 2,1 2,3 2,2". After a pause it loops.
There is a 3-wide, 3-high grid of pale diamonds (without lines). They blink white in this order: right top bottom center bottom top right left bottomleft2 topright2 center topleft bottomright left (2 means it stays white twice as long). After a pause it loops.