/// *** --- +++ ... 1/2 2/3 84/133 9/10 84/133 4+5+2+3 2+3+1+0 1+0+8+5 28+46+33 4*4*2*3 3*6*0*6 55*78*93 6-5-8-4 9-3-0-7 88-64 97-13 144-34-17 55.24 97.03 25.269 6.17485