The light flashes a sequence, with one color per stage.

Press the symbols whose corresponding corner matches that stage’s color, in the table order below.

Corners correspond to stages in reading order.

Stage 1:
Top to bottom.

Stage 2:
Bottom to top.

Stage 3:
Alternate top and bottom, starting at the top.

Stage 4:
Alternate bottom and top, starting at the bottom.

Only input for the most recent stage is required.