mac 8

rand w1 (30, 1000) 115
rand w2 (9, 231)
rand w3 (11, 223)
rand w4 (10, 400)

triple (722, 187202) (363, 6006) (667401, 6189301)
triple (218331, 183634) (4398, 4313) (300405, 2821)