diff --git a/demo/plate1n/data/sample-x172-y106-signal-Txx.csv b/demo/plate1n/data/sample-x172-y106-signal-Txx.csv
new file mode 100644
index 0000000..6dae527
--- /dev/null
+++ b/demo/plate1n/data/sample-x172-y106-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
+-1.940684365768516000e-19
+-4.168085682549371490e-17
+-5.786218434998633559e-15
+-5.207477244556502072e-13
+-3.035125969996776973e-11
+-1.139057737020721106e-09
+-2.721175107467388443e-08
+-4.061788274611899396e-07
+-3.685341198433889076e-06
+-1.959285873454064131e-05
+-5.888867963221855462e-05
+-1.021864591166377068e-04
+-1.237644464708864689e-04
+-1.117986466852016747e-04
+-2.641917126311454922e-05
+1.301428274018689990e-04
+3.528869710862636566e-04
+5.963389994576573372e-04
+7.623824058100581169e-04
+7.291900110431015491e-04
+4.453370347619056702e-04
+-1.052453371812589467e-04
+-7.829196401871740818e-04
+-1.409248798154294491e-03
+-1.771926414221525192e-03
+-1.731284894049167633e-03
+-1.260295626707375050e-03
+-5.028640734963119030e-04
+3.076441935263574123e-04
+9.203256340697407722e-04
+1.205960172228515148e-03
+1.171876909211277962e-03
+9.645553072914481163e-04
+7.773032411932945251e-04
+7.460325141437351704e-04
+8.814556640572845936e-04
+1.054493011906743050e-03
+1.073342747986316681e-03
+7.952225278131663799e-04
+2.069083566311746836e-04
+-5.724978400394320488e-04
+-1.317184069193899632e-03
+-1.800526748411357403e-03
+-1.891736406832933426e-03
+-1.604848424904048443e-03
+-1.074544386938214302e-03
+-4.782778269145637751e-04
+3.030998232134152204e-05
+3.806585154961794615e-04
+5.798937636427581310e-04
+6.733625777997076511e-04
+7.019908516667783260e-04
+7.070020074024796486e-04
+6.878820713609457016e-04
+6.190934218466281891e-04
+5.050891195423901081e-04
+3.500266466289758682e-04
+1.823718484956771135e-04
+4.515580076258629560e-05
+-6.291823956416919827e-05
+-1.615915680304169655e-04
+-2.513567160349339247e-04