In the second essay, the lines have certain regularity, which already contains some inspiration, but they are still not formed.
In the third essay, the color blocks are all formed, with some distorted laws, but they are still abstract.
The fourth essay can be a stick figure, slightly modified, closer to the finished product.
Generally speaking, the order of oil paintings can be simply inferred from the contents of the paintings, which is actually not very difficult, even if it is exhausted, it will not take long.
There is a task in the art exhibition of Black Cat Adventure Club, which requires us players to rearrange the order of works. This order is actually particular, but if you don't want to be particular, you can put it directly according to the raiders, and it will be over.