2. Secondly, plan the letter layout: put the letters on each side of the seventh-order Rubik's Cube. You can use stickers or labels with different colors, or you can use colored pens to mark directly on the Rubik's cube.
3. Then rotate the Rubik's Cube: according to the requirements of the letter layout, gradually rotate all levels of the Rubik's Cube to make the combination of letters form a healthy and long-lived pattern. This may require some strategies and plans to ensure that the letters are correctly connected to each other and form a clear and recognizable shape.
4. Final adjustment and refinement: Once the letter layout and pattern shape are completed, the Rubik's Cube can be adjusted and fine-tuned, so that the letter arrangement is more neat and clear, and a more beautiful pattern can be formed.