diff --git a/IV/tests.sql b/IV/tests.sql
index fc80587..0942e1a 100644
--- a/IV/tests.sql
+++ b/IV/tests.sql
@@ -15,6 +15,7 @@ create table figures (name text, way geometry);
 insert into figures (name, way) values ('fig3',ST_GeomFromText('LINESTRING(0 0,12 0,13 4,20 2,20 0,32 0,33 10,38 16,43 15,44 10,44 0,60 0)'));
 insert into figures (name, way) values ('fig3-1',ST_GeomFromText('LINESTRING(0 0,12 0,13 4,20 2,20 0,32 0,33 10,38 16,43 15,44 10,44 0)'));
 insert into figures (name, way) values ('fig5',ST_GeomFromText('LINESTRING(0 39,19 52,27 77,26 104,41 115,49 115,65 103,65 75,53 45,63 15,91 0)'));
+insert into figures (name, way) values ('fig6',ST_GeomFromText('LINESTRING(84 46,91 59,114 63,122 79,116 91,109 93,105 106,117 118,136 107,135 76,120 44,125 38,141 38,146 31)'));
 insert into figures (name, way) values ('inflection-1',ST_GeomFromText('LINESTRING(110 24,114 20,133 20,145 15,145 0,136 5,123 7,114 7,111 2)'));
 
 -- DETECT BENDS