Maximum Roles 1 (2) 2 or less (1) 3 or less (1) 4 or less (1) 5 or less (1) 6 or less (1) 7 or less (1) 8 or less (1) 9 or less (1) 10 or less (1) 11 or less (1) 12 or less (1) 13 or more (1)