Rules Of Position Player

In one team are 6 player in court during competition . The nmember of 1 team can't more 12 player . Position of Compilation in first competition determine seeded service in competition begin . second player of team must on seeded true rotation position on doing service . True position in every player are:
1.In front line,center player must in between front right and front left, and in front back center player .
2.In back line,back center player must in between back right and back left and in back front center player.
3.Front right player must in back right and front left.