@Carl Love 

to tell you the truth i tried what you offered me and i found no results but i managed to manage with your help

@Carl Love yes! I'm sorry. thank you very much. i was a litlle stressed. Next time i will make sure thanks again 

example let gamma be a permutation defined by: O (1) = (1,4,6,9,10) and O (2) = (2,3,5,7). Determine the permutation matrix