Start with Black
At layer #8 (0.72mm) swap to White
At layer #9 (0.8mm) swap to 灰色
At layer #14 (1.2mm) swap to Blue
At layer #18 (1.52mm) swap to 薰衣草紫色
At layer #19 (1.6mm) swap to 樱花粉
At layer #27 (2.24mm) swap to Jade White for the rest.