diff --git a/demo/plate1n/data/sample-x183-y337-signal-Txx.csv b/demo/plate1n/data/sample-x183-y337-signal-Txx.csv
new file mode 100644
index 0000000..0e67c3b
--- /dev/null
+++ b/demo/plate1n/data/sample-x183-y337-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
+-9.646384999909966008e-31
+-1.313570888919592277e-27
+-1.102463288975988702e-24
+-5.801815231007546703e-22
+-1.940690698870080859e-19
+-4.168109174478767996e-17
+-5.786266292360153426e-15
+-5.207503265408641724e-13
+-3.035061438283470636e-11
+-1.138923955146253775e-09
+-2.720067726613706327e-08
+-4.056911393490736373e-07
+-3.673184892249992117e-06
+-1.942032031365670264e-05
+-5.752674042014405131e-05
+-9.649344428908079863e-05
+-1.119156804634258151e-04
+-9.903387399390339851e-05
+-1.674187114986125380e-05
+1.289284555241465569e-04
+3.327742742840200663e-04
+5.546675529330968857e-04
+7.011397392489016056e-04
+6.572610582225024700e-04
+3.896555281244218349e-04
+-1.186838198918849230e-04
+-7.342494209297001362e-04
+-1.298513845540583134e-03
+-1.620324212126433849e-03
+-1.578666269779205322e-03
+-1.149117364548146725e-03
+-4.657231620512902737e-04
+2.661638718564063311e-04
+8.244135533459484577e-04
+1.097290660254657269e-03
+1.085907919332385063e-03
+9.222429362125694752e-04
+7.773225079290568829e-04
+7.663849391974508762e-04
+8.960152044892311096e-04
+1.047769212163984776e-03
+1.035855733789503574e-03
+7.158576627261936665e-04
+6.618778570555150509e-05
+-7.842499762773513794e-04
+-1.588291954249143600e-03
+-2.075086580589413643e-03
+-2.061138860881328583e-03
+-1.540282042697072029e-03
+-6.792917847633361816e-04
+2.501403505448251963e-04
+9.643132798373699188e-04
+1.278980169445276260e-03
+1.164457411505281925e-03
+7.274778909049928188e-04
+1.620315451873466372e-04
+-3.025657788384705782e-04
+-5.128152552060782909e-04
+-4.375284188427031040e-04
+-1.269622152904048562e-04
+2.732978318817913532e-04
+6.053103134036064148e-04
+7.594023481942713261e-04
+6.562349735759198666e-04
+3.068298101425170898e-04
+-1.585387944942340255e-04