diff --git a/models/121.session b/models/121.session
index ea34fb8..05d15ab 100644
--- a/models/121.session
+++ b/models/121.session
@@ -1,19 +1,11 @@
 window_sizes 1536 658 450 1081 508 104
 
 diagrams
-  sequencediagram_ref 134649 // 1-1-wlozKarte
-    864 406 100 A4 0 0
-  sequencediagram_ref 134777 // 1-2-wprowadzPin
-    864 406 100 A4 0 0
-  sequencediagram_ref 134905 // 1-3-opcjaWyplatyGotowki
-    864 406 100 A4 0 0
-  sequencediagram_ref 135033 // 1-4-wprowadzenieKwoty
-    864 406 100 A4 0 0
-  active  sequencediagram_ref 135161 // 1-6-opcjaWydrukuPotwierdzenia
+  active  sequencediagram_ref 134649 // 1-1-wlozKarte
     864 406 100 A4 0 0
 end
 show_stereotypes
-selected sequencediagram_ref 135161 // 1-6-opcjaWydrukuPotwierdzenia
+selected sequencediagram_ref 134777 // 1-2-wprowadzPin
 open
   classview_ref 128027 // design
 end
diff --git a/models/134649.diagram b/models/134649.diagram
index e8dd282..e2d940c 100644
--- a/models/134649.diagram
+++ b/models/134649.diagram
@@ -1,3 +1,48 @@
 format 224
 
+classinstance 128121 class_ref 128283 // Klient
+  name ""   xyz 26.5 24 1995 life_line_z 2000
+classinstance 128249 class_ref 141201 // Terminal
+  name ""   xyz 376.5 39 2005 life_line_z 2000
+classinstance 128377 class_ref 128121 // Bankomat
+  name ""   xyz 204.5 31 2005 life_line_z 2000
+classinstance 128505 class_ref 128155 // KartaKlienta
+  name ""   xyz 496.5 83 2005 life_line_z 2000
+durationcanvas 128633 classinstance_ref 128505 // :KartaKlienta
+  xyzwh 527 256 2010 11 43
+end
+durationcanvas 128761 classinstance_ref 128121 // :Klient
+  xyzwh 37 151 2010 11 33
+end
+durationcanvas 128889 classinstance_ref 128377 // :Bankomat
+  xyzwh 229 157 2010 11 118
+end
+durationcanvas 129017 classinstance_ref 128249 // :Terminal
+  xyzwh 397 165 2010 11 48
+end
+msg 129145 asynchronous
+  from durationcanvas_ref 128761
+  to durationcanvas_ref 128889
+  yz 157 2015 explicitmsg "wlozKarte()"
+  show_full_operations_definition default show_class_of_operation default drawing_language default show_context_mode default
+  label_xy 143.5 141
+msg 129273 asynchronous
+  from durationcanvas_ref 128889
+  to durationcanvas_ref 129017
+  yz 171 2020 explicitmsg "czytajNrKarty()"
+  show_full_operations_definition default show_class_of_operation default drawing_language default show_context_mode default
+  label_xy 269.5 155
+msg 129401 synchronous
+  from durationcanvas_ref 128889
+  to durationcanvas_ref 128633
+  yz 256 2015 explicitmsg "create(nr_karty:int)"
+  stereotype "<<create>>" xyz 357.5 272 3000
+  show_full_operations_definition default show_class_of_operation default drawing_language default show_context_mode default
+  label_xy 307.5 240
+msg 129529 return
+  from durationcanvas_ref 129017
+  to durationcanvas_ref 128889
+  yz 202 2015 explicitmsg "return nr_karty"
+  show_full_operations_definition default show_class_of_operation default drawing_language default show_context_mode default
+  label_xy 292.5 186
 end
diff --git a/models/models.prj b/models/models.prj
index 8092081..7dbb114 100644
--- a/models/models.prj
+++ b/models/models.prj
@@ -1,7 +1,7 @@
 format 224
 "models"
-  revision 20
-  modified_by 17 "s444448"
+  revision 21
+  modified_by 121 "s452689"