What retroreflective sleeve configuration is required for 28-inch traffic cones used during nighttime operations on California highways?

1. A 6-inch top white band and a 4-inch lower white band spaced 2 inches apart.
2. A single 4-inch yellow reflective band placed near the top of the cone.
3. Three 3-inch orange reflective bands evenly spaced along the cone body.
4. A continuous 12-inch wide retroreflective silver sleeve covering the entire cone.