diff --git a/demo/plate1n/data/sample-x122-y158-signal-Txx.csv b/demo/plate1n/data/sample-x122-y158-signal-Txx.csv
new file mode 100644
index 0000000..3437c8f
--- /dev/null
+++ b/demo/plate1n/data/sample-x122-y158-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
+-4.168085351677126469e-17
+-5.786218011482159931e-15
+-5.207476702455415829e-13
+-3.035125276107386583e-11
+-1.139056737819998943e-09
+-2.721168357311398722e-08
+-4.061757863382808864e-07
+-3.685274805320659652e-06
+-1.959237852133810520e-05
+-5.889566455152817070e-05
+-1.023433287627995014e-04
+-1.248385233338922262e-04
+-1.147692528320476413e-04
+-2.929881520685739815e-05
+1.305983896600082517e-04
+3.605079255066812038e-04
+6.166786770336329937e-04
+7.956252666190266609e-04
+7.708081975579261780e-04
+4.803086339961737394e-04
+-1.014506342471577227e-04
+-8.390032453462481499e-04
+-1.543033402413129807e-03
+-1.975906547158956528e-03
+-1.964373746886849403e-03
+-1.448524650186300278e-03
+-5.566929467022418976e-04
+4.620687977876514196e-04
+1.306712045334279537e-03
+1.773746567778289318e-03
+1.793952658772468567e-03
+1.473735785111784935e-03
+1.015486195683479309e-03
+6.202964577823877335e-04
+4.009467957075685263e-04
+3.275347407907247543e-04
+2.679682220332324505e-04
+7.607170118717476726e-05
+-3.145998052787035704e-04
+-8.568994235247373581e-04
+-1.377324340865015984e-03
+-1.661113463342189789e-03
+-1.555263763293623924e-03
+-1.053952029906213284e-03
+-3.005484759341925383e-04
+4.688780172728002071e-04
+1.017235568724572659e-03
+1.206275890581309795e-03
+1.037776935845613480e-03
+6.275599007494747639e-04
+1.446342212148010731e-04
+-2.367863489780575037e-04
+-4.272392543498426676e-04
+-4.418912285473197699e-04
+-3.390224010217934847e-04
+-2.162782911909744143e-04
+-1.374460698571056128e-04
+-1.071786973625421524e-04
+-1.267689949600026011e-04
+-1.498230558354407549e-04
+-9.697313362266868353e-05