diff --git a/show/dance2012/curves/song15-backctr b/show/dance2012/curves/song15-backctr
--- a/show/dance2012/curves/song15-backctr
+++ b/show/dance2012/curves/song15-backctr
@@ -1,5 +1,29 @@
 0.0 0
 118.284682401 0
 121.192359918 0.5946969696969697
+125.731167912 0.5946969696969697
+125.870808347 0.0
+128.508460997 0.0
+128.640343629 0.5946969696969697
+131.277026555 0.5946969696969697
+131.408909187 0.0
+133.968983818 0.0
+134.108624253 0.5946969696969697
+153.304759155 0.5946969696969697
+153.470542157 0.0
+155.923175462 0.0
+155.970931882 0.5946969696969697
+158.737393092 0.5946969696969697
+158.930806595 0.0
+161.435971961 0.0
+161.721487132 0.5946969696969697
+181.387298782 0.5946969696969697
+181.418549659 0.0
+184.094405934 0.0
+184.094405934 0.5946969696969697
+186.84860642 0.5946969696969697
+186.92846977 0.0
+189.466735382 0.0
+189.473545725 0.5946969696969697
 200.006406512 0.5946969696969697
 203.993401361 0