diff --git a/Cargo.toml b/Cargo.toml
index 05af5d4..4a6c12a 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -6,21 +6,21 @@ publish = false
 
 [dependencies]
 cached = "*"
-derive-new = {default-features = false}
-derive_more = {default-features = false, features=["constructor", "add"]}
-env_logger = {default-features = false, features=["humantime", "auto-color"]}
+derive-new = {version="*", default-features = false}
+derive_more = {version="*", default-features = false, features=["constructor", "add"]}
+env_logger = {version="*", default-features = false, features=["humantime", "auto-color"]}
 gcollections = "*"
 grid = "*"
-indexmap = {default-features = false}
+indexmap = {version="*", default-features = false}
 indicatif = {version = "*", optional=true}
 intervallum = "*"
 itertools = "*"
 log = "*"
-num = {default-features = false}
+num = {version="*", default-features = false}
 pest = "*"
 pest_derive = "*"
-petgraph = {default-features = false}
-regex = {default-features = false}
+petgraph = {version="*", default-features = false}
+regex = {version="*", default-features = false}
 rustworkx-core = "*"
 strum = { version = "*", features = ["derive"] }
 
diff --git a/src/bin/22.rs b/src/bin/22.rs
index c2aa55a..6f1e2bc 100644
--- a/src/bin/22.rs
+++ b/src/bin/22.rs
@@ -9,6 +9,44 @@ a custom interval class. I wanted sorting by lower edges and an easy way to get
 the minimum bound. Intervallum for some reason doesn't have public access to
 `::new()` or `::low()`. Ideally I also wanted to be able to shift an interval, too.
 
+Plotting code for Blender:
+
+```python
+import bpy
+import bmesh
+from mathutils import Matrix
+import numpy as np
+
+
+TXT = """\
+1,0,1~1,2,1
+0,0,2~2,0,2
+0,2,3~2,2,3
+0,0,4~0,2,4
+2,0,5~2,2,5
+0,1,6~2,1,6
+1,1,8~1,1,9"""
+
+def add_object(bm, start, end):
+    scale = np.abs(start - end) + 1
+    matrix = Matrix.LocRotScale((start + end) / 2, None, scale)
+    bmesh.ops.create_cube(bm, size=1.0, matrix=matrix)
+
+
+bm = bmesh.new()
+
+for line in TXT.splitlines():
+    ax, ay, az, bx, by, bz = map(float, line.replace("~", ",").split(","))
+    add_object(bm, np.array((ax, ay, az)), np.array((bx, by, bz)))
+
+me = bpy.data.meshes.new("Mesh")
+bm.to_mesh(me)
+bm.free()
+
+obj = bpy.data.objects.new("Object", me)
+bpy.context.collection.objects.link(obj)
+```
+
 */
 
 use core::fmt::{Debug, Formatter};