"Data M:  'the cat sat on the mat'	Order N:  'mat cat'	-->  'the mat sat on the cat'
Data M:  'the cat sat on the mat'	Order N:  'cat mat'	-->  'the cat sat on the mat'
Data M:  'A B C A B C A B C'	Order N:  'C A C A'	-->  'C B A C B A A B C'
Data M:  'A B C A B D A B E'	Order N:  'E A D A'	-->  'E B C A B D A B A'
Data M:  'A B'	Order N:  'B'	-->  'A B'
Data M:  'A B'	Order N:  'B A'	-->  'B A'
Data M:  'A B B A'	Order N:  'B A'	-->  'B A B A'"