v4:    Upgraded to fusionX

v3: Blur the edges of the puzzle, further improve the success rate, add enhance a video

v2: Optimize the puzzle method, improve the success rate

Before Use:

1. A single run generally consumes around 50 coins, but the actual consumption depends on the runtime, and it may significantly exceed 50 coins in some cases

2. The generation effect of Wanxiang is not stable. Good results still require multiple attempts. The sample video was achieved after several tries; if the effect is not satisfactory, try using a different random seed

3. Better results are more likely when the proportions of the two subjects in the frame are close, and the backgrounds are similar

4. Prompt words can be further supplemented and optimized for better results