diff --git a/demo/plate1n/data/sample-x166-y341-signal-Txx.csv b/demo/plate1n/data/sample-x166-y341-signal-Txx.csv
new file mode 100644
index 0000000..a4b7280
--- /dev/null
+++ b/demo/plate1n/data/sample-x166-y341-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
+-9.646384059514485350e-31
+-1.313570696326597839e-27
+-1.102462598722696633e-24
+-5.801806143329918557e-22
+-1.940684495015486712e-19
+-4.168086013421616511e-17
+-5.786218434998633559e-15
+-5.207476702455415829e-13
+-3.035126663886167364e-11
+-1.139058514176838344e-09
+-2.721178127274015424e-08
+-4.061780600750353187e-07
+-3.685233650685404427e-06
+-1.958891334652435035e-05
+-5.882067125639878213e-05
+-1.015970701701007783e-04
+-1.212433708133175969e-04
+-1.065473115886561573e-04
+-1.961333146027754992e-05
+1.382144837407395244e-04
+3.577829920686781406e-04
+5.954139633104205132e-04
+7.526708650402724743e-04
+7.062494405545294285e-04
+4.061775107402354479e-04
+-1.552751491544768214e-04
+-8.380569634027779102e-04
+-1.454150420613586903e-03
+-1.791296992450952530e-03
+-1.708036870695650578e-03
+-1.180698862299323082e-03
+-3.617065085563808680e-04
+4.992451868019998074e-04
+1.133158104494214058e-03
+1.392891746945679188e-03
+1.276107854209840298e-03
+9.350302862003445625e-04
+5.905126454308629036e-04
+4.216415109112858772e-04
+4.870017000939697027e-04
+6.945175700820982456e-04
+8.468767045997083187e-04
+7.564419647678732872e-04
+3.345707082189619541e-04
+-3.600048949010670185e-04
+-1.133772428147494793e-03
+-1.730536459945142269e-03
+-1.936894725076854229e-03
+-1.677449326962232590e-03
+-1.035980414599180222e-03
+-2.085479500237852335e-04
+5.571927758865058422e-04
+1.059375004842877388e-03
+1.195389544591307640e-03
+9.752431651577353477e-04
+5.109568010084331036e-04
+-5.111327027407241985e-06
+-3.933888510800898075e-04
+-5.389982834458351135e-04
+-4.007534589618444443e-04
+-4.053952943650074303e-05
+4.074980970472097397e-04
+7.986404234543442726e-04
+9.680326911620795727e-04
+8.294181316159665585e-04
+4.218306567054241896e-04