+ role_a_pos 412 154 3000 no_role_b
+ multiplicity_a_pos 462 181 3000 no_multiplicity_b
+end
+relationcanvas 130118 relation_ref 129478 // <unidirectional association>
+ from ref 128070 z 2001 to point 141 281
+ line 130502 z 2001 to ref 129945
+ role_a_pos 153 175 3000 no_role_b
+ no_multiplicity_a no_multiplicity_b
+end
+relationcanvas 130374 relation_ref 129606 // <unidirectional association>
+ from ref 128070 z 2001 to point 142 281
+ line 130886 z 2001 to point 238 219
+ line 131014 z 2001 to point 238 144
+ line 130758 z 2001 to ref 129945
+ role_a_pos 213 126 3000 no_role_b