diff --git a/demo/plate1n/data/sample-x294-y103-signal-Txx.csv b/demo/plate1n/data/sample-x294-y103-signal-Txx.csv
new file mode 100644
index 0000000..185122a
--- /dev/null
+++ b/demo/plate1n/data/sample-x294-y103-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
+-4.275292698572333635e-34
+-9.646598469684075335e-31
+-1.313582444499258601e-27
+-1.102427297197187993e-24
+-5.801080138861625555e-22
+-1.940085176812297901e-19
+-4.165412234809600105e-17
+-5.779203308129473443e-15
+-5.196241657443034789e-13
+-3.023938044410812154e-11
+-1.132078764065624910e-09
+-2.693925260643936781e-08
+-3.995802160261519020e-07
+-3.588097570172976702e-06
+-1.874794179457239807e-05
+-5.476979640661738813e-05
+-9.172350837616249919e-05
+-1.112382815335877240e-04
+-1.064299067365936935e-04
+-3.506375651340931654e-05
+9.939033043337985873e-05
+2.995868271682411432e-04
+5.292819114401936531e-04
+7.016110466793179512e-04
+7.126386044546961784e-04
+5.066737066954374313e-04
+4.427215390023775399e-05
+-5.688383243978023529e-04
+-1.198935904540121555e-03
+-1.655019936151802540e-03
+-1.781263039447367191e-03
+-1.507094828411936760e-03
+-8.950706687755882740e-04
+-1.012651773635298014e-04
+6.556967273354530334e-04
+1.214852323755621910e-03
+1.484389882534742355e-03
+1.490928698331117630e-03
+1.337190275080502033e-03
+1.139424508437514305e-03
+9.715727064758539200e-04
+8.301564957946538925e-04
+6.425111787393689156e-04
+3.186369431205093861e-04
+-1.926298573380336165e-04
+-8.495694492012262344e-04
+-1.512501155957579613e-03
+-1.986755058169364929e-03
+-2.094029216095805168e-03
+-1.755714183673262596e-03
+-1.022695563733577728e-03
+-7.493624434573575854e-05
+8.337431354448199272e-04
+1.474713208153843880e-03
+1.705364673398435116e-03
+1.501801190897822380e-03
+9.575051371939480305e-04
+2.754308225121349096e-04
+-3.401074209250509739e-04
+-7.434433209709823132e-04
+-8.520538103766739368e-04
+-6.936651188880205154e-04
+-3.645691904239356518e-04
+2.274214784847572446e-05
+3.223430539947003126e-04
+4.563970142044126987e-04
+4.376431752461940050e-04