diff --git a/resources/graphics/TODO.txt b/resources/graphics/TODO.txt
index b8f5c94..992ef8c 100644
--- a/resources/graphics/TODO.txt
+++ b/resources/graphics/TODO.txt
@@ -8,8 +8,8 @@ DONE	lasersource		lasersource
 DONE	lasertarget.png		lasertarget
 dummy	lasertarget_glow.png	lasertarget_glow (when it is being hit by a laser beam)
 DONE	/door/			gate
-DONE	/numbered_stones/	tiles with symbols for level 1 tasks.
-				tiles for level 1, matte and shining (green light)
+DONE	/symbols/blocks/	tiles with symbols for level 1 tasks.
+DONE	/symbols/blocks/	tiles for level 1, matte and shining (green light)
 DONE	blocks/block3.png	widen block03.png
 dummy	spacecraft.png		spaceship
 				alien spacecraft taking off.
diff --git a/resources/graphics/symbols/blocks/block13-0019.png b/resources/graphics/symbols/blocks/block13-0019.png
new file mode 100644
index 0000000..8f08bd5
Binary files /dev/null and b/resources/graphics/symbols/blocks/block13-0019.png differ
diff --git a/resources/graphics/symbols/blocks/block14-0016.png b/resources/graphics/symbols/blocks/block14-0016.png
index 1dabb66..9101c6b 100644
Binary files a/resources/graphics/symbols/blocks/block14-0016.png and b/resources/graphics/symbols/blocks/block14-0016.png differ
diff --git a/resources/graphics/symbols/blocks/block14-0017.png b/resources/graphics/symbols/blocks/block14-0017.png
index 693cab5..4a0673e 100644
Binary files a/resources/graphics/symbols/blocks/block14-0017.png and b/resources/graphics/symbols/blocks/block14-0017.png differ
diff --git a/resources/graphics/symbols/blocks/block14-0018.png b/resources/graphics/symbols/blocks/block14-0018.png
index 1b7a01d..d4a43eb 100644
Binary files a/resources/graphics/symbols/blocks/block14-0018.png and b/resources/graphics/symbols/blocks/block14-0018.png differ
diff --git a/resources/graphics/symbols/blocks/block14-0019.png b/resources/graphics/symbols/blocks/block14-0019.png
new file mode 100644
index 0000000..f040229
Binary files /dev/null and b/resources/graphics/symbols/blocks/block14-0019.png differ
diff --git a/resources/graphics/symbols/blocks/block15-0019.png b/resources/graphics/symbols/blocks/block15-0019.png
new file mode 100644
index 0000000..4efc157
Binary files /dev/null and b/resources/graphics/symbols/blocks/block15-0019.png differ
diff --git a/resources/graphics/symbols/blocks/block16-0019.png b/resources/graphics/symbols/blocks/block16-0019.png
new file mode 100644
index 0000000..4b71d75
Binary files /dev/null and b/resources/graphics/symbols/blocks/block16-0019.png differ
diff --git a/resources/graphics/symbols/blocks/block17-0019.png b/resources/graphics/symbols/blocks/block17-0019.png
new file mode 100644
index 0000000..61eb19f
Binary files /dev/null and b/resources/graphics/symbols/blocks/block17-0019.png differ