#--it-------------t---------------------dt-----------
     0   0.00000000000000000 1.00000000000000000E+00
     1   1.00000000000000000 1.00000000000000000E+00
     2   2.00000000000000000 1.00000000000000000E+00
     3   3.00000000000000000 1.00000000000000000E+00
     4   4.00000000000000000 1.00000000000000000E+00