diff --git a/modules/util/viirs_l1b_l2.py b/modules/util/viirs_l1b_l2.py
index c578ff7c6c9db6b91c429c575bcce12111612f45..3f06a155f7c6f0c27fec1b4ca88fd73a5f756534 100644
--- a/modules/util/viirs_l1b_l2.py
+++ b/modules/util/viirs_l1b_l2.py
@@ -98,7 +98,7 @@ def run_all(directory, out_directory):
                 [data_valid_tiles.append(data_tiles[k]) for k in range(n_vld)]
                 [data_train_tiles.append(data_tiles[k]) for k in range(n_vld, num)]
 
-            if f_cnt == 40:
+            if f_cnt == 10:
                 cnt += 1
 
                 label_valid = np.stack(label_valid_tiles)
@@ -187,11 +187,11 @@ def run(data_h5f, label_h5f, data_tiles, label_tiles, mod_tile_width=64, kernel_
 
     #num_keep_x_tiles = 3
     num_keep_x_tiles = 1
-    # i_skip = 3 * mod_tile_width
-    i_skip = 1
+    i_skip = 3 * mod_tile_width
+    #i_skip = 1
     j_skip = 1 * 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((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 = 96
     for j in range(num_keep_y_tiles):