diff --git a/modules/util/viirs_l1b_l2.py b/modules/util/viirs_l1b_l2.py
index 596397a647774eca41a98a397176149a1e92f0b3..3ed2cbd8c7118ebc0caa9ebff73e533382707207 100644
--- a/modules/util/viirs_l1b_l2.py
+++ b/modules/util/viirs_l1b_l2.py
@@ -78,10 +78,14 @@ def run_all(directory, out_directory):
 
                 num = len(data_tiles)
 
-                [label_valid_tiles.append(label_tiles[k]) for k in range(6)]
-                [label_train_tiles.append(label_tiles[k]) for k in range(6, num)]
-                [data_valid_tiles.append(data_tiles[k]) for k in range(6)]
-                [data_train_tiles.append(data_tiles[k]) for k in range(6, num)]
+                # [label_valid_tiles.append(label_tiles[k]) for k in range(6)]
+                # [label_train_tiles.append(label_tiles[k]) for k in range(6, num)]
+                # [data_valid_tiles.append(data_tiles[k]) for k in range(6)]
+                # [data_train_tiles.append(data_tiles[k]) for k in range(6, num)]
+                [label_valid_tiles.append(label_tiles[k]) for k in range(2)]
+                [label_train_tiles.append(label_tiles[k]) for k in range(2, num)]
+                [data_valid_tiles.append(data_tiles[k]) for k in range(2)]
+                [data_train_tiles.append(data_tiles[k]) for k in range(2, num)]
 
             if f_cnt == 10:
                 cnt += 1
@@ -167,9 +171,11 @@ def run(data_h5f, label_h5f, data_tiles, label_tiles, factor=2, border=9):
     mod_data = np.stack(l1b_grd_s)
     img_data = np.stack(l2_grd_s)
 
-    num_keep_x_tiles = 3
+    #num_keep_x_tiles = 3
+    num_keep_x_tiles = 1
     i_skip = 3 * mod_tile_width
-    i_start = int(mod_num_pixels / 2) - int((num_keep_x_tiles * 3 * mod_tile_width) / 2)
+    #i_start = int(mod_num_pixels / 2) - int((num_keep_x_tiles * 3 * mod_tile_width) / 2)
+    i_start = int(mod_num_pixels / 2) - int((mod_tile_width) / 2)
 
     num_keep_y_tiles = 16
     j_skip = 3 * mod_tile_width