$ZEC
15 to 31 in 10 day
31 to 25 in 18day
31 to 45 in 6 day
45 to 41 in 3 day
41 to ? guess 45 or 50 or 55
41 to ? guess 31 or 25 or 15
15 to 31 in 10 day
31 to 25 in 18day
31 to 45 in 6 day
45 to 41 in 3 day
41 to ? guess 45 or 50 or 55
41 to ? guess 31 or 25 or 15