Stack Exchange network consists of 183 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers.
I think I can do it in $10$ moves as follows: rotate b3, rotate b1, flip r2r3, flip b3, rotate b1, flip r1, flip b2, flip r3r2, rotate b3, flip b1. I do not have good pictures of this process.
I think I can do it in $10$ moves as follows: rotate b3, rotate b1, flip r2, flip b3, rotate b1, flip r1, flip b2, flip r3, rotate b3, flip b1. I do not have good pictures of this process.
I think I can do it in $10$ moves as follows: rotate b3, rotate b1, flip r3, flip b3, rotate b1, flip r1, flip b2, flip r2, rotate b3, flip b1. I do not have good pictures of this process.
I think I can do it in $10$ moves as follows: rotate b3, rotate b1, flip r2, flip b3, rotate b1, flip r1, flip b2, flip r3, rotate b3, flip b1. I do not have good pictures of this process.