A B C D A B C D A A B C D D D C B A A B C D B C D D C B D C B D C B A A B C D C D D C D C B A A B C D D D A B C D A B C D Omega A B A Omega B Omega C Omega D A B C D Omega A A Omega B Omega C Omega D A B C D Omega A B A Omega B Omega C Omega D A B C D Omega A B C A Omega B Omega C Omega D D C B A Omega A D Omega C Omega B Omega A D C B A Omega B A D Omega C Omega B Omega A D C B A Omega C B A D Omega C Omega B Omega A A B C D A B C D B C D A A Omega B Omega C Omega D A B C D A B C D B C D B C D A A Omega B Omega C Omega D B C D A B C D C D B C A B A B Omega C Omega D C D A B C D D B C A B C A B Omega C Omega D D D C B D C B D C B A Omega A D C Omega B D C Omega B Omega A D C D C D C B A Omega B A D Omega C D C Omega B A D D D C B A Omega C B A D Omega D C Omega B A k*(A B C D) (k-1)*(A B C D) k*(A Omega B Omega C Omega D) A B C D A B C D A B C D A B A B A B C D Omega A Omega B C D