R 4 5 8 July 8, 2019 16 32 64 128 R 5 1 4 b 8996 4 r 5 )+ 8 2r 10 4 r 8 )- 5 2r 1 1 4 r 5 2 )= 1 8 3 3 4 r 5 3 8 4 4 r R 5 8
