diff --git a/data/2021/umap_phase_2_layers.txt b/data/2021/umap_phase_2_layers.txt
new file mode 100644
index 0000000..2ea9579
--- /dev/null
+++ b/data/2021/umap_phase_2_layers.txt
@@ -0,0 +1,4 @@
+817220
+861810
+817221
+817222