diff --git a/demo/plate1n/data/sample-x210-y331-signal-Txx.csv b/demo/plate1n/data/sample-x210-y331-signal-Txx.csv
new file mode 100644
index 0000000..58ad4a8
--- /dev/null
+++ b/demo/plate1n/data/sample-x210-y331-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
+-4.251382408792639043e-34
+-9.567676719365347610e-31
+-1.298356427544921992e-27
+-1.084952351817118987e-24
+-5.678981636346710537e-22
+-1.887191112542594546e-19
+-4.021346157988179529e-17
+-5.530070589551249610e-15
+-4.921159508543271333e-13
+-2.829775302970460871e-11
+-1.044812569794828505e-09
+-2.446682501044961100e-08
+-3.562145991509169107e-07
+-3.130665163553203456e-06
+-1.597099617356434464e-05
+-4.564543996821157634e-05
+-7.634326175320893526e-05
+-9.611193672753870487e-05
+-9.473848331253975630e-05
+-3.675717016449198127e-05
+7.652349449926987290e-05
+2.487011952325701714e-04
+4.502891097217798233e-04
+6.042026798240840435e-04
+6.268591387197375298e-04
+4.645495500881224871e-04
+7.835224823793396354e-05
+-4.468068655114620924e-04
+-9.988211095333099365e-04
+-1.412658835761249065e-03
+-1.549088628962635994e-03
+-1.344004995189607143e-03
+-8.437291835434734821e-04
+-1.793248229660093784e-04
+4.629691247828304768e-04
+9.489406365901231766e-04
+1.206057495437562466e-03
+1.260092947632074356e-03
+1.196562312543392181e-03
+1.097481930628418922e-03
+1.002671895548701286e-03
+8.843718096613883972e-04
+6.662438972853124142e-04
+2.879968669731169939e-04
+-2.424492849968373775e-04
+-8.354855817742645741e-04
+-1.339676906354725361e-03
+-1.592379761859774590e-03
+-1.495743985287845135e-03
+-1.073275576345622540e-03
+-4.599602834787219763e-04
+1.514548202976584435e-04
+5.775921745225787163e-04
+7.219464750960469246e-04
+6.015462568029761314e-04
+3.179920895490795374e-04
+1.351436367258429527e-05
+-1.726925402181223035e-04
+-1.895585446618497372e-04
+-6.676037446595728397e-05
+1.250586064998060465e-04
+2.868871961254626513e-04
+3.581877099350094795e-04
+3.370132471900433302e-04
+2.279945620102807879e-04
+8.687036461196839809e-05
+-2.551102988945785910e-05