[2,4,6,8,8,10,10,10,12,12,12,12,12,14,14,14,14,14, 14,16,14,16,16,16,16,16,16,16,16,16,16,18,18,16, 18,16,18,18,18,18,18,18,18,18,18,18,18,18,18,18, 20,20,20,18,18,20,20,20,20,20,20,20,20,20,20,20]