i1 : randomArrangement(4,3,5) o1 = {5x + x - 2x , 3x + x , - x - 3x , - 2x - 4x } 1 2 3 1 2 1 3 1 3 o1 : Hyperplane Arrangement
i2 : tally apply(12, i -> poincare randomArrangement(6,3,5)) 2 3 o2 = Tally{1 + 6T + 15T + 10T => 12} o2 : Tally