diff --git a/demo/plate1n/data/sample-x231-y372-signal-Txx.csv b/demo/plate1n/data/sample-x231-y372-signal-Txx.csv
new file mode 100644
index 0000000..45f734f
--- /dev/null
+++ b/demo/plate1n/data/sample-x231-y372-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
+-3.406652135328897252e-38
+-1.727813343319971610e-34
+-3.943446415228958757e-31
+-5.426374062894118376e-28
+-4.598753886875791447e-25
+-2.442231068594619894e-22
+-8.239493736617570548e-20
+-1.784128823295006800e-17
+-2.496339291489378838e-15
+-2.264125979799594401e-13
+-1.330041111968771617e-11
+-5.033600203319110733e-10
+-1.214210332278753413e-08
+-1.835173009112622822e-07
+-1.696235585768590681e-06
+-9.310956556873861700e-06
+-2.978383236040826887e-05
+-5.827692439197562635e-05
+-8.341171633219346404e-05
+-9.304895502282306552e-05
+-6.094642230891622603e-05
+2.397107891738414764e-05
+1.663550938246771693e-04
+3.488052752800285816e-04
+5.193884135223925114e-04
+5.973095539957284927e-04
+5.139706190675497055e-04
+2.213712723460048437e-04
+-2.433724148431792855e-04
+-7.818117155693471432e-04
+-1.239768695086240768e-03
+-1.465196139179170132e-03
+-1.356016029603779316e-03
+-9.202040964737534523e-04
+-2.728248946368694305e-04
+3.963535418733954430e-04
+9.072113316506147385e-04
+1.147010829299688339e-03
+1.118793850764632225e-03
+9.268108406104147434e-04
+7.164529524743556976e-04
+6.012210506014525890e-04
+6.056106067262589931e-04
+6.549780373461544514e-04
+6.184843368828296661e-04
+3.828534681815654039e-04
+-8.397502824664115906e-05
+-7.068806444294750690e-04
+-1.308603677898645401e-03
+-1.679704175330698490e-03
+-1.675373991020023823e-03
+-1.263788668438792229e-03
+-5.435680504888296127e-04
+2.803727402351796627e-04
+9.851277573034167290e-04
+1.389283919706940651e-03
+1.408797572366893291e-03
+1.068236655555665493e-03
+4.895084421150386333e-04
+-1.576764334458857775e-04
+-7.107067503966391087e-04
+-1.050532911904156208e-03
+-1.123808673582971096e-03
+-9.510933305136859417e-04
+-6.016293773427605629e-04
+-1.874445588327944279e-04
+1.872816064860671759e-04
+4.545526753645390272e-04