diff --git a/zauberschule/Cargo.lock b/zauberschule/Cargo.lock
index 0fcd7df..98d9adc 100644
--- a/zauberschule/Cargo.lock
+++ b/zauberschule/Cargo.lock
@@ -2,6 +2,245 @@
 # It is not intended for manual editing.
 version = 3
 
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+ "windows_aarch64_msvc",
+ "windows_i686_gnu",
+ "windows_i686_msvc",
+ "windows_x86_64_gnu",
+ "windows_x86_64_gnullvm",
+ "windows_x86_64_msvc",
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+
 [[package]]
 name = "zauberschule"
 version = "0.1.0"
+dependencies = [
+ "anyhow",
+ "clap",
+ "slab",
+]
diff --git a/zauberschule/Cargo.toml b/zauberschule/Cargo.toml
index 6705560..8273ee0 100644
--- a/zauberschule/Cargo.toml
+++ b/zauberschule/Cargo.toml
@@ -6,3 +6,6 @@ edition = "2021"
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
 [dependencies]
+anyhow = "1.0"
+clap = { version = "4.4.2", features = ["derive"] }
+slab = "0.4.9"
diff --git a/zauberschule/src/graph.rs b/zauberschule/src/graph.rs
new file mode 100644
index 0000000..dd06e3e
--- /dev/null
+++ b/zauberschule/src/graph.rs
@@ -0,0 +1,207 @@
+use anyhow::{Error, Result};
+use slab::Slab;
+use std::path::Path;
+
+#[derive(Debug)]
+struct Edge {
+    node: usize,
+    gravity: usize,
+}
+
+#[derive(Debug)]
+struct Node {
+    edges: Slab<Edge>,
+}
+
+#[derive(Debug)]
+pub struct Graph {
+    nodes: Slab<Node>,
+    start: usize,
+    end: usize,
+}
+
+#[derive(Debug)]
+enum MapNode {
+    Wall,
+    Floor(usize),
+    Unknown(char),
+}
+
+#[derive(Debug, Clone)]
+struct DijkstraNode {
+    parent: usize,
+    distance: usize,
+}
+
+impl Edge {
+    fn new(id: usize, gravity: usize) -> Self {
+        Self { node: id, gravity }
+    }
+}
+
+impl Node {
+    fn new() -> Self {
+        Self { edges: Slab::new() }
+    }
+}
+
+impl DijkstraNode {
+    fn new() -> Self {
+        Self {
+            parent: 0,
+            distance: 0,
+        }
+    }
+}
+
+impl Graph {
+    fn default() -> Self {
+        Self {
+            nodes: Slab::new(),
+            start: 0,
+            end: 0,
+        }
+    }
+
+    pub fn new(path: &Path) -> Result<Self> {
+        let mut graph = Self::default();
+
+        let file_content = std::fs::read_to_string(path)?;
+
+        // Split the raw content into two vectors of vectors of MapNodes
+        // Each vector represents a map layer that's split into rows.
+        let maps = file_content
+            .split_once('\n')
+            .unwrap()
+            .1
+            .split("\n\n")
+            .map(|block| {
+                block
+                    .lines()
+                    .map(|line| {
+                        line.chars()
+                            .map(|c| match c {
+                                '#' => MapNode::Wall,
+                                '.' | 'A' | 'B' => {
+                                    let id = graph.nodes.insert(Node::new());
+
+                                    if c == 'A' {
+                                        graph.start = id;
+                                    }
+                                    if c == 'B' {
+                                        graph.end = id;
+                                    }
+
+                                    MapNode::Floor(id)
+                                }
+                                c => MapNode::Unknown(c),
+                            })
+                            .collect()
+                    })
+                    .collect()
+            })
+            .collect::<Vec<Vec<Vec<MapNode>>>>();
+
+        // connect nodes
+        for (z, map) in maps.iter().enumerate() {
+            print!("\n");
+            for (y, row) in map.iter().enumerate() {
+                print!("\n");
+                for (x, map_node) in row.iter().enumerate() {
+                    match map_node {
+                        MapNode::Wall => print!("--- "),
+                        MapNode::Floor(id) => {
+                            let node = graph.nodes.get_mut(id.to_owned()).unwrap();
+
+                            print!("{:03} ", id);
+
+                            if let MapNode::Floor(i) = row[x - 1] {
+                                node.edges.insert(Edge::new(i, 1));
+                            }
+                            if let MapNode::Floor(i) = row[x + 1] {
+                                node.edges.insert(Edge::new(i, 1));
+                            }
+                            if let MapNode::Floor(i) = maps[z][y - 1][x] {
+                                node.edges.insert(Edge::new(i, 1));
+                            }
+                            if let MapNode::Floor(i) = maps[z][y + 1][x] {
+                                node.edges.insert(Edge::new(i, 1));
+                            }
+                            if let MapNode::Floor(i) = maps[(z + 1) % 2][y][x] {
+                                node.edges.insert(Edge::new(i, 3));
+                            }
+                        }
+                        MapNode::Unknown(c) => {
+                            return Err(Error::msg(format!("Unknown character: '{c}'")))
+                        }
+                    }
+                }
+            }
+        }
+        print!("\n");
+
+        Ok(graph)
+    }
+
+    pub fn dijkstra(&self) -> Result<Vec<usize>> {
+        let mut visited = Vec::new();
+        let mut distances = vec![DijkstraNode::new(); self.nodes.len()];
+        let mut queue = Vec::new();
+
+        queue.push(self.start);
+
+        loop {
+            let id = queue.pop().unwrap();
+            // println!("{id}");
+            if id == self.end {
+                break;
+            }
+
+            let node = self.nodes.get(id).unwrap();
+            visited.push(id);
+
+            for (_, edge) in node.edges.iter() {
+                if visited.contains(&edge.node) {
+                    continue;
+                }
+                if distances[edge.node].distance == 0
+                    || distances[id].distance + edge.gravity < distances[edge.node].distance
+                {
+                    if distances[edge.node].distance == 0 {
+                        queue.push(edge.node);
+                    }
+
+                    distances[edge.node].parent = id;
+                    distances[edge.node].distance = distances[id].distance + edge.gravity;
+
+                    // println!("    {}: {}", edge.node, distances[edge.node].distance);
+                }
+            }
+
+            queue.sort_unstable_by(|a, b| {
+                distances[b.to_owned()]
+                    .distance
+                    .cmp(&distances[a.to_owned()].distance)
+            });
+            // println!(
+            //     "  {:?}",
+            //     queue
+            //         .iter()
+            //         .map(|id| (id, distances[id.to_owned()].distance))
+            //         .collect::<Vec<(&usize, usize)>>()
+            // );
+        }
+
+        let mut id = self.end;
+        let mut path = Vec::new();
+
+        while id != self.start {
+            path.push(id);
+            id = distances[id].parent;
+        }
+        path.push(self.start);
+        path.reverse();
+
+        Ok(path)
+    }
+}
diff --git a/zauberschule/src/main.rs b/zauberschule/src/main.rs
index e7a11a9..62ed735 100644
--- a/zauberschule/src/main.rs
+++ b/zauberschule/src/main.rs
@@ -1,3 +1,27 @@
-fn main() {
-    println!("Hello, world!");
+mod graph;
+
+use anyhow::Result;
+use clap::Parser;
+use graph::Graph;
+use std::path::Path;
+
+/// BWINF 42.1
+/// <Name Censored>
+/// Aufgabe 3: Zauberschule
+#[derive(Parser, Debug)]
+#[command(author, version, about, long_about = None)]
+struct Args {
+    /// The file containing the two maps
+    file: String,
+}
+
+fn main() -> Result<()> {
+    println!("BWINF 42.1  -  <Name Censored>  -  Aufgabe 3: Zauberschule");
+    let args = Args::parse();
+
+    let graph = Graph::new(Path::new(&args.file))?;
+    let path = graph.dijkstra()?;
+    println!("Path: {:?}", path);
+
+    Ok(())
 }