Food colors identify height from the deepest layer upward: red at z 0, orange at z 1, yellow at z 2, green at z 3, blue at z 4, indigo at z 5, and violet at z 6; repeat the seven-color sequence for taller arenas.
Food colors identify height from the deepest layer upward: red at z 0, orange at z 1, yellow at z 2, green at z 3, blue at z 4, indigo at z 5, and violet at z 6; repeat the seven-color sequence for taller arenas.