diff --git a/data/coco_16img.txt b/data/coco_16img.txt
new file mode 100644
index 00000000..03d84a27
--- /dev/null
+++ b/data/coco_16img.txt
@@ -0,0 +1,16 @@
+../coco/images/train2014/COCO_train2014_000000000009.jpg
+../coco/images/train2014/COCO_train2014_000000000025.jpg
+../coco/images/train2014/COCO_train2014_000000000030.jpg
+../coco/images/train2014/COCO_train2014_000000000034.jpg
+../coco/images/train2014/COCO_train2014_000000000036.jpg
+../coco/images/train2014/COCO_train2014_000000000049.jpg
+../coco/images/train2014/COCO_train2014_000000000061.jpg
+../coco/images/train2014/COCO_train2014_000000000064.jpg
+../coco/images/train2014/COCO_train2014_000000000071.jpg
+../coco/images/train2014/COCO_train2014_000000000072.jpg
+../coco/images/train2014/COCO_train2014_000000000077.jpg
+../coco/images/train2014/COCO_train2014_000000000078.jpg
+../coco/images/train2014/COCO_train2014_000000000081.jpg
+../coco/images/train2014/COCO_train2014_000000000086.jpg
+../coco/images/train2014/COCO_train2014_000000000089.jpg
+../coco/images/train2014/COCO_train2014_000000000092.jpg
diff --git a/data/coco_32img.txt b/data/coco_32img.txt
new file mode 100644
index 00000000..75b86be8
--- /dev/null
+++ b/data/coco_32img.txt
@@ -0,0 +1,32 @@
+../coco/images/train2014/COCO_train2014_000000000009.jpg
+../coco/images/train2014/COCO_train2014_000000000025.jpg
+../coco/images/train2014/COCO_train2014_000000000030.jpg
+../coco/images/train2014/COCO_train2014_000000000034.jpg
+../coco/images/train2014/COCO_train2014_000000000036.jpg
+../coco/images/train2014/COCO_train2014_000000000049.jpg
+../coco/images/train2014/COCO_train2014_000000000061.jpg
+../coco/images/train2014/COCO_train2014_000000000064.jpg
+../coco/images/train2014/COCO_train2014_000000000071.jpg
+../coco/images/train2014/COCO_train2014_000000000072.jpg
+../coco/images/train2014/COCO_train2014_000000000077.jpg
+../coco/images/train2014/COCO_train2014_000000000078.jpg
+../coco/images/train2014/COCO_train2014_000000000081.jpg
+../coco/images/train2014/COCO_train2014_000000000086.jpg
+../coco/images/train2014/COCO_train2014_000000000089.jpg
+../coco/images/train2014/COCO_train2014_000000000092.jpg
+../coco/images/train2014/COCO_train2014_000000000094.jpg
+../coco/images/train2014/COCO_train2014_000000000109.jpg
+../coco/images/train2014/COCO_train2014_000000000110.jpg
+../coco/images/train2014/COCO_train2014_000000000113.jpg
+../coco/images/train2014/COCO_train2014_000000000127.jpg
+../coco/images/train2014/COCO_train2014_000000000138.jpg
+../coco/images/train2014/COCO_train2014_000000000142.jpg
+../coco/images/train2014/COCO_train2014_000000000144.jpg
+../coco/images/train2014/COCO_train2014_000000000149.jpg
+../coco/images/train2014/COCO_train2014_000000000151.jpg
+../coco/images/train2014/COCO_train2014_000000000154.jpg
+../coco/images/train2014/COCO_train2014_000000000165.jpg
+../coco/images/train2014/COCO_train2014_000000000194.jpg
+../coco/images/train2014/COCO_train2014_000000000201.jpg
+../coco/images/train2014/COCO_train2014_000000000247.jpg
+../coco/images/train2014/COCO_train2014_000000000260.jpg