       A  colB        C        D
     aaa     1    10e20      1.0
       b   1.1     -1.0        1
   ccccc  1000     0x01   Letter
     e e 12345    10000      234
efghigkl    -1       .1     -234
            +1 -10e-100 -10e-100
             0 -10e+100 -10e+100
