2
     -53/3
      5581/9
     -21577397/540
      31283298283/8100
     -13867513160861/27000
      5337333446078164463/59535000
     -995860667291594211123017/50009400000
      86629463423865975592742047423/15752961000000
     -6127873544613551793091647103033033/3308121810000000