diff --git a/p9/data/coure/30.dat b/p9/data/coure/30.dat
new file mode 100644
index 0000000..24c0720
--- /dev/null
+++ b/p9/data/coure/30.dat
@@ -0,0 +1,11 @@
+510	0.87	22.989	0.701
+1070	1	26.359	0.775
+1245	1.03	27.134	0.793
+1540	1.07	28.166	0.816
+1850	1.14	29.969	0.858
+2235	1.16	30.483	0.870
+2670	1.15	30.226	0.864
+3130	1.14	29.969	0.858
+3475	1.13	29.712	0.852
+3910	1.14	29.969	0.858
+4460	1.14	29.969	0.858