3 5z 7 2 9z 11 4 8z 13 1 July 8, 2019 16 32 64 128 3 5z 7 )- 2 9z 11 )= 4 8z 13 )- 17 3 5z 7 )- 2 9z 11 )= 4 8z 13 )- 111
