It is useless to learn cubic cfop. Fortunately, sub25 has encountered a bottleneck and needs the guidance of God, whether to continue practicing or learning new technologies.
Speed up computing power. Learn polymorphic four-way F2L or nonstandard. See you later. Two-way operation. Quick-sighted and quick-handed, observe the next step while doing the action. In the final analysis, it is still more practice, and thinking is only one direction. The ability to make a certain part will be greatly improved!