diff --git a/demo/plate1n/data/sample-x154-y364-signal-Txx.csv b/demo/plate1n/data/sample-x154-y364-signal-Txx.csv
new file mode 100644
index 0000000..aa2a5e0
--- /dev/null
+++ b/demo/plate1n/data/sample-x154-y364-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
+-2.721167824404346902e-08
+-4.061758716034091776e-07
+-3.685278898046817631e-06
+-1.959250221261754632e-05
+-5.889763633604161441e-05
+-1.023539152811281383e-04
+-1.247679028892889619e-04
+-1.137521539931185544e-04
+-2.563467569416388869e-05
+1.355512795271351933e-04
+3.636632463894784451e-04
+6.144246435724198818e-04
+7.850123802199959755e-04
+7.501856307499110699e-04
+4.504072421696037054e-04
+-1.361177128273993731e-04
+-8.609585929661989212e-04
+-1.535923453047871590e-03
+-1.925271819345653057e-03
+-1.867663580924272537e-03
+-1.320289680734276772e-03
+-4.273799713701009750e-04
+5.511060589924454689e-04
+1.312858890742063522e-03
+1.674144645221531391e-03
+1.592027605511248112e-03
+1.201661885716021061e-03
+7.261851569637656212e-04
+3.774188226088881493e-04
+2.616229176055639982e-04
+3.325553261674940586e-04
+4.344331973697990179e-04
+3.957008593715727329e-04
+1.185100773000158370e-04
+-3.705171111505478621e-04
+-9.294818155467510223e-04
+-1.358637120574712753e-03
+-1.491468283347785473e-03
+-1.278296229429543018e-03
+-7.878511096350848675e-04
+-1.818128366721794009e-04
+3.538405871950089931e-04
+6.846762262284755707e-04
+7.619618554599583149e-04
+6.186838145367801189e-04
+3.416853141970932484e-04
+6.244957330636680126e-05
+-1.164266577688977122e-04
+-1.562030956847593188e-04
+-5.617423084913752973e-05
+1.164258210337720811e-04
+2.841829264070838690e-04
+3.952822007704526186e-04
+4.015597514808177948e-04
+3.009642823599278927e-04
+1.572812179801985621e-04