diff --git a/demo/plate1n/data/sample-x189-y332-signal-Txx.csv b/demo/plate1n/data/sample-x189-y332-signal-Txx.csv
new file mode 100644
index 0000000..4f698e9
--- /dev/null
+++ b/demo/plate1n/data/sample-x189-y332-signal-Txx.csv
@@ -0,0 +1,99 @@
+0.000000000000000000e+00
+0.000000000000000000e+00
+0.000000000000000000e+00
+0.000000000000000000e+00
+0.000000000000000000e+00
+0.000000000000000000e+00
+0.000000000000000000e+00
+0.000000000000000000e+00
+0.000000000000000000e+00
+0.000000000000000000e+00
+0.000000000000000000e+00
+0.000000000000000000e+00
+0.000000000000000000e+00
+0.000000000000000000e+00
+0.000000000000000000e+00
+0.000000000000000000e+00
+0.000000000000000000e+00
+0.000000000000000000e+00
+0.000000000000000000e+00
+0.000000000000000000e+00
+0.000000000000000000e+00
+0.000000000000000000e+00
+0.000000000000000000e+00
+0.000000000000000000e+00
+0.000000000000000000e+00
+0.000000000000000000e+00
+0.000000000000000000e+00
+0.000000000000000000e+00
+0.000000000000000000e+00
+0.000000000000000000e+00
+0.000000000000000000e+00
+-1.021995668624638462e-37
+-4.275182955154424835e-34
+-9.646395344260253244e-31
+-1.313573585221514420e-27
+-1.102467430495741112e-24
+-5.801845523266307190e-22
+-1.940697290465587141e-19
+-4.168069800681610472e-17
+-5.785964748630930896e-15
+-5.206672766544517827e-13
+-3.033848866573762848e-11
+-1.137903882231228181e-09
+-2.714988767138493131e-08
+-4.041885119931976078e-07
+-3.647114453997346573e-06
+-1.916332075779791921e-05
+-5.616619819193147123e-05
+-9.296167991124093533e-05
+-1.078779168892651796e-04
+-9.691048035165295005e-05
+-1.845774932007770985e-05
+1.206061715492978692e-04
+3.179512568749487400e-04
+5.346554680727422237e-04
+6.790150655433535576e-04
+6.439755088649690151e-04
+3.963156777899712324e-04
+-8.609812357462942600e-05
+-6.766197620891034603e-04
+-1.229806104674935341e-03
+-1.562903402373194695e-03
+-1.554081449285149574e-03
+-1.174060045741498470e-03
+-5.401003872975707054e-04
+1.612867781659588218e-04
+7.201615371741354465e-04
+1.029017497785389423e-03
+1.078609726391732693e-03
+9.791170014068484306e-04
+8.774876478128135204e-04
+8.727320819161832333e-04
+9.687498677521944046e-04
+1.060299575328826904e-03
+9.843088919296860695e-04
+6.214999593794345856e-04
+-3.131451012450270355e-05
+-8.427352295257151127e-04
+-1.581697491928935051e-03
+-2.001226181164383888e-03
+-1.944304443895816803e-03
+-1.419255393557250500e-03
+-5.946354358457028866e-04
+2.676079166121780872e-04
+9.107671212404966354e-04
+1.176330144517123699e-03
+1.053514890372753143e-03
+6.522623007185757160e-04
+1.472377043683081865e-04
+-2.603259927127510309e-04
+-4.423950158525258303e-04
+-3.899203729815781116e-04
+-1.452017895644530654e-04
+1.668924087425693870e-04
+4.265194293111562729e-04
+5.602188757620751858e-04
+5.033454508520662785e-04
+2.678796299733221531e-04
+-4.282322697690688074e-05