# hack for more grids above 1
a = a + 1
if (a < 11) {
  b = a
} else {
 if (a == 11) {
  b = 1.2
 } else { if (a == 12) {
  b = 1.4
 } else { if (a == 13) {
  b = 1.7
} else { if (a == 14) {
  b = 2.3
} else { if (a == 15) {
  b = 2.6
} else { if (a == 16) {
  b = 20
} } } } } } }

set trange [-60: 60]  
plot real (conformal (complex (b, t))), imag (conformal (complex (b, t))) lt 3 
if (a < 11) { 
plot real (conformal (complex (0.1 * a, t))), imag (conformal (complex (0.1 * a, t))) lt 3  
}
set trange [0: 120]  
plot real (conformal (complex (t, b))), imag (conformal (complex (t, b))) lt 2  
plot real (conformal (complex (t, b))), - imag (conformal (complex (t, b))) lt 2  
if (a < 11) {
plot real (conformal (complex (t, 0.1 * a) )), imag (conformal (complex (t, 0.1 * a))) lt 2  
plot real (conformal (complex (t, 0.1 * a))), - imag (conformal (complex (t, 0.1 * a))) lt 2  
}

 
if (a <16) reread