x              t      y              z
123.00000000   float  124.00000000   123.50000000
123.45000000   float  124.45000000   123.95000000
0123           string (error)        (error)
07             string (error)        (error)
08             string (error)        (error)
0.00000000     float  1.00000000     0.50000000
0.00000000     float  1.00000000     0.50000000
0.00000000     float  1.00000000     0.50000000
0.01000000     float  1.01000000     0.51000000
4.00000000     float  5.00000000     4.50000000
4096.00000000  float  4097.00000000  4096.50000000
-123.00000000  float  -122.00000000  -122.50000000
-123.45000000  float  -122.45000000  -122.95000000
-0123          string (error)        (error)
-4.00000000    float  -3.00000000    -3.50000000
-4096.00000000 float  -4095.00000000 -4095.50000000
-07            string (error)        (error)
-08            string (error)        (error)
0.00000000     float  1.00000000     0.50000000
-0.00000000    float  1.00000000     0.50000000
-0.00000000    float  1.00000000     0.50000000
-0.01000000    float  0.99000000     0.49000000
