The digits on the paint containers correspond to the numbered areas on the canvas, indicating which paint container should be used for each corresponding area.

Get a cup of water with which to clean your brush. Clean the painting brush after applying one color (The rag will come in handy as you must remove some of the water from the brush after washing).

Then, go in with another color to the corresponding numbered blocks on the painting canvas. Paint the smallest areas first, then the medium-sized ones, followed by the largest ones. Try to paint with one color at a time.
Finish all colors one after another. Let the areas dry completely before painting neighboring sections.
Leave no gaps between different colors.
Don't forget to share your masterpiece with the world :)
It all depends on your vision. Don't be afraid to experiment and search for your
method and style of painting. There is nothing scary about painting any
canvas area with a different color, you always have the option to fix it.