{t_real_number -1}
{t_imaginary_number +2i}
{t_real_number -1}
{t_imaginary_number -2i}
{t_real_number 1}
{t_imaginary_number +2i}
{t_real_number 1}
{t_imaginary_number -2i}
{t_real_number +1}
{t_imaginary_number +2i}
{t_real_number +1}
{t_imaginary_number -2i}