(1, 3, 4, 8, 4, 8, 4, 8, 4, 8, 4),(3, 7, 4, 8, 4, 8, 4, 8, 4, 8, 4),(4, 4, 8, 4, 8, 4, 8, 4, 8, 4, 8)
U-S 275318