11 20 5 July 8, 2019 16 32 64 128 11 20 50 11 * 20 * 52 11 20 55 11 20 5 8 11 20 53 11 20 51 11 20 56 11 20 5 4 11 20 59 11 20 55 lcm 11 20 55 ka lcm 20 minutes from 11 50 11 20 57 20 11 5 1 11 5 20 3
