4 7 to 5 0 July 8, 2019 16 32 64 128 4 7 compared to 5 0 7 4 * 5 0mm 4 2 * 7 5 0 8 4 7 x 0 5 4 7 next to 5 0 4 7 5 0 smallest number 4 7+5