diff --git a/Cargo.lock b/Cargo.lock
index e8c2d40..57ecc36 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -2,6 +2,15 @@
 # It is not intended for manual editing.
 version = 3
 
+[[package]]
+name = "addr2line"
+version = "0.24.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f5fb1d8e4442bd405fdfd1dacb42792696b0cf9cb15882e5d097b742a676d375"
+dependencies = [
+ "gimli",
+]
+
 [[package]]
 name = "adler"
 version = "1.0.2"
@@ -147,6 +156,30 @@ dependencies = [
  "arrayvec",
 ]
 
+[[package]]
+name = "backtrace"
+version = "0.3.74"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8d82cb332cdfaed17ae235a638438ac4d4839913cc2af585c3c6746e8f8bee1a"
+dependencies = [
+ "addr2line",
+ "cfg-if",
+ "libc",
+ "miniz_oxide 0.8.0",
+ "object",
+ "rustc-demangle",
+ "windows-targets 0.52.6",
+]
+
+[[package]]
+name = "backtrace-ext"
+version = "0.2.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "537beee3be4a18fb023b570f80e3ae28003db9167a751266b259926e25539d50"
+dependencies = [
+ "backtrace",
+]
+
 [[package]]
 name = "base64"
 version = "0.21.7"
@@ -165,6 +198,12 @@ version = "1.3.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "bef38d45163c2f1dde094a7dfd33ccf595c92905c8f8f4fdc18d06fb1037718a"
 
+[[package]]
+name = "bitflags"
+version = "2.6.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b048fb63fd8b5923fc5aa7b340d8e156aec7ec02f0c78fa8a6ddc2613f6f71de"
+
 [[package]]
 name = "bitstream-io"
 version = "2.5.3"
@@ -240,8 +279,8 @@ version = "2.34.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "a0610544180c38b88101fecf2dd634b174a62eef6946f84dfc6a7127512b381c"
 dependencies = [
- "bitflags",
- "textwrap",
+ "bitflags 1.3.2",
+ "textwrap 0.11.0",
  "unicode-width",
 ]
 
@@ -406,6 +445,16 @@ version = "1.0.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "5443807d6dff69373d433ab9ef5378ad8df50ca6298caf15de6e52e24aaf54d5"
 
+[[package]]
+name = "errno"
+version = "0.3.9"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "534c5cf6194dfab3db3242765c03bbe257cf92f22b38f6bc0c58d59108a820ba"
+dependencies = [
+ "libc",
+ "windows-sys 0.52.0",
+]
+
 [[package]]
 name = "exr"
 version = "1.72.0"
@@ -431,6 +480,7 @@ dependencies = [
  "criterion",
  "flate2",
  "image",
+ "miette",
  "rand",
  "serde",
  "serde_json",
@@ -487,6 +537,12 @@ dependencies = [
  "weezl",
 ]
 
+[[package]]
+name = "gimli"
+version = "0.31.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "32085ea23f3234fc7846555e85283ba4de91e21016dc0455a16286d87a292d64"
+
 [[package]]
 name = "half"
 version = "1.8.3"
@@ -584,6 +640,12 @@ dependencies = [
  "syn",
 ]
 
+[[package]]
+name = "is_ci"
+version = "1.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7655c9839580ee829dfacba1d1278c2b7883e50a277ff7541299489d6bdfdc45"
+
 [[package]]
 name = "is_terminal_polyfill"
 version = "1.70.1"
@@ -667,6 +729,12 @@ dependencies = [
  "once_cell",
 ]
 
+[[package]]
+name = "linux-raw-sys"
+version = "0.4.14"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "78b3ae25bc7c8c38cec158d1f2757ee79e9b3740fbc7ccf0e59e4b08d793fa89"
+
 [[package]]
 name = "lock_api"
 version = "0.4.12"
@@ -707,6 +775,37 @@ version = "2.7.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "78ca9ab1a0babb1e7d5695e3530886289c18cf2f87ec19a575a0abdce112e3a3"
 
+[[package]]
+name = "miette"
+version = "7.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4edc8853320c2a0dab800fbda86253c8938f6ea88510dc92c5f1ed20e794afc1"
+dependencies = [
+ "backtrace",
+ "backtrace-ext",
+ "cfg-if",
+ "miette-derive",
+ "owo-colors",
+ "supports-color",
+ "supports-hyperlinks",
+ "supports-unicode",
+ "terminal_size",
+ "textwrap 0.16.1",
+ "thiserror",
+ "unicode-width",
+]
+
+[[package]]
+name = "miette-derive"
+version = "7.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "dcf09caffaac8068c346b6df2a7fc27a177fd20b39421a39ce0a211bde679a6c"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn",
+]
+
 [[package]]
 name = "minimal-lexical"
 version = "0.2.1"
@@ -804,6 +903,15 @@ dependencies = [
  "autocfg",
 ]
 
+[[package]]
+name = "object"
+version = "0.36.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "084f1a5821ac4c651660a94a7153d27ac9d8a53736203f58b31945ded098070a"
+dependencies = [
+ "memchr",
+]
+
 [[package]]
 name = "once_cell"
 version = "1.19.0"
@@ -816,6 +924,12 @@ version = "11.1.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "b410bbe7e14ab526a0e86877eb47c6996a2bd7746f027ba551028c925390e4e9"
 
+[[package]]
+name = "owo-colors"
+version = "4.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "fb37767f6569cd834a413442455e0f066d0d522de8630436e2a1761d9726ba56"
+
 [[package]]
 name = "paste"
 version = "1.0.15"
@@ -862,7 +976,7 @@ version = "0.17.13"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "06e4b0d3d1312775e782c86c91a111aa1f910cbb65e1337f9975b5f9a554b5e1"
 dependencies = [
- "bitflags",
+ "bitflags 1.3.2",
  "crc32fast",
  "fdeflate",
  "flate2",
@@ -1067,6 +1181,25 @@ dependencies = [
  "bytemuck",
 ]
 
+[[package]]
+name = "rustc-demangle"
+version = "0.1.24"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "719b953e2095829ee67db738b3bfa9fa368c94900df327b3f07fe6e794d2fe1f"
+
+[[package]]
+name = "rustix"
+version = "0.38.37"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8acb788b847c24f28525660c4d7758620a7210875711f79e7f663cc152726811"
+dependencies = [
+ "bitflags 2.6.0",
+ "errno",
+ "libc",
+ "linux-raw-sys",
+ "windows-sys 0.52.0",
+]
+
 [[package]]
 name = "ryu"
 version = "1.0.18"
@@ -1179,6 +1312,12 @@ version = "1.13.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "3c5e1a9a646d36c3599cd173a41282daf47c44583ad367b8e6837255952e5c67"
 
+[[package]]
+name = "smawk"
+version = "0.3.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b7c388c1b5e93756d0c740965c41e8822f866621d41acbdf6336a6a168f8840c"
+
 [[package]]
 name = "spin"
 version = "0.9.8"
@@ -1194,6 +1333,27 @@ version = "0.11.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "7da8b5736845d9f2fcb837ea5d9e2628564b3b043a70948a3f0b778838c5fb4f"
 
+[[package]]
+name = "supports-color"
+version = "3.0.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8775305acf21c96926c900ad056abeef436701108518cf890020387236ac5a77"
+dependencies = [
+ "is_ci",
+]
+
+[[package]]
+name = "supports-hyperlinks"
+version = "3.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2c0a1e5168041f5f3ff68ff7d95dcb9c8749df29f6e7e89ada40dd4c9de404ee"
+
+[[package]]
+name = "supports-unicode"
+version = "3.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b7401a30af6cb5818bb64852270bb722533397edcfc7344954a38f420819ece2"
+
 [[package]]
 name = "syn"
 version = "2.0.77"
@@ -1233,6 +1393,16 @@ dependencies = [
  "winapi-util",
 ]
 
+[[package]]
+name = "terminal_size"
+version = "0.3.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "21bebf2b7c9e0a515f6e0f8c51dc0f8e4696391e6f1ff30379559f8365fb0df7"
+dependencies = [
+ "rustix",
+ "windows-sys 0.48.0",
+]
+
 [[package]]
 name = "textwrap"
 version = "0.11.0"
@@ -1242,6 +1412,17 @@ dependencies = [
  "unicode-width",
 ]
 
+[[package]]
+name = "textwrap"
+version = "0.16.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "23d434d3f8967a09480fb04132ebe0a3e088c173e6d0ee7897abbdf4eab0f8b9"
+dependencies = [
+ "smawk",
+ "unicode-linebreak",
+ "unicode-width",
+]
+
 [[package]]
 name = "thiserror"
 version = "1.0.63"
@@ -1323,6 +1504,12 @@ version = "1.0.13"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "e91b56cd4cadaeb79bbf1a5645f6b4f8dc5bde8834ad5894a8db35fda9efa1fe"
 
+[[package]]
+name = "unicode-linebreak"
+version = "0.1.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3b09c83c3c29d37506a3e260c08c03743a6bb66a9cd432c6934ab501a190571f"
+
 [[package]]
 name = "unicode-width"
 version = "0.1.14"
@@ -1476,13 +1663,22 @@ version = "0.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "712e227841d057c1ee1cd2fb22fa7e5a5461ae8e48fa2ca79ec42cfc1931183f"
 
+[[package]]
+name = "windows-sys"
+version = "0.48.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "677d2418bec65e3338edb076e806bc1ec15693c5d0104683f2efe857f61056a9"
+dependencies = [
+ "windows-targets 0.48.5",
+]
+
 [[package]]
 name = "windows-sys"
 version = "0.52.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "282be5f36a8ce781fad8c8ae18fa3f9beff57ec1b52cb3de0789201425d9a33d"
 dependencies = [
- "windows-targets",
+ "windows-targets 0.52.6",
 ]
 
 [[package]]
@@ -1491,7 +1687,22 @@ version = "0.59.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "1e38bc4d79ed67fd075bcc251a1c39b32a1776bbe92e5bef1f0bf1f8c531853b"
 dependencies = [
- "windows-targets",
+ "windows-targets 0.52.6",
+]
+
+[[package]]
+name = "windows-targets"
+version = "0.48.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9a2fa6e2155d7247be68c096456083145c183cbbbc2764150dda45a87197940c"
+dependencies = [
+ "windows_aarch64_gnullvm 0.48.5",
+ "windows_aarch64_msvc 0.48.5",
+ "windows_i686_gnu 0.48.5",
+ "windows_i686_msvc 0.48.5",
+ "windows_x86_64_gnu 0.48.5",
+ "windows_x86_64_gnullvm 0.48.5",
+ "windows_x86_64_msvc 0.48.5",
 ]
 
 [[package]]
@@ -1500,28 +1711,46 @@ version = "0.52.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "9b724f72796e036ab90c1021d4780d4d3d648aca59e491e6b98e725b84e99973"
 dependencies = [
- "windows_aarch64_gnullvm",
- "windows_aarch64_msvc",
- "windows_i686_gnu",
+ "windows_aarch64_gnullvm 0.52.6",
+ "windows_aarch64_msvc 0.52.6",
+ "windows_i686_gnu 0.52.6",
  "windows_i686_gnullvm",
- "windows_i686_msvc",
- "windows_x86_64_gnu",
- "windows_x86_64_gnullvm",
- "windows_x86_64_msvc",
+ "windows_i686_msvc 0.52.6",
+ "windows_x86_64_gnu 0.52.6",
+ "windows_x86_64_gnullvm 0.52.6",
+ "windows_x86_64_msvc 0.52.6",
 ]
 
+[[package]]
+name = "windows_aarch64_gnullvm"
+version = "0.48.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2b38e32f0abccf9987a4e3079dfb67dcd799fb61361e53e2882c3cbaf0d905d8"
+
 [[package]]
 name = "windows_aarch64_gnullvm"
 version = "0.52.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "32a4622180e7a0ec044bb555404c800bc9fd9ec262ec147edd5989ccd0c02cd3"
 
+[[package]]
+name = "windows_aarch64_msvc"
+version = "0.48.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "dc35310971f3b2dbbf3f0690a219f40e2d9afcf64f9ab7cc1be722937c26b4bc"
+
 [[package]]
 name = "windows_aarch64_msvc"
 version = "0.52.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "09ec2a7bb152e2252b53fa7803150007879548bc709c039df7627cabbd05d469"
 
+[[package]]
+name = "windows_i686_gnu"
+version = "0.48.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a75915e7def60c94dcef72200b9a8e58e5091744960da64ec734a6c6e9b3743e"
+
 [[package]]
 name = "windows_i686_gnu"
 version = "0.52.6"
@@ -1534,24 +1763,48 @@ version = "0.52.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "0eee52d38c090b3caa76c563b86c3a4bd71ef1a819287c19d586d7334ae8ed66"
 
+[[package]]
+name = "windows_i686_msvc"
+version = "0.48.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8f55c233f70c4b27f66c523580f78f1004e8b5a8b659e05a4eb49d4166cca406"
+
 [[package]]
 name = "windows_i686_msvc"
 version = "0.52.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "240948bc05c5e7c6dabba28bf89d89ffce3e303022809e73deaefe4f6ec56c66"
 
+[[package]]
+name = "windows_x86_64_gnu"
+version = "0.48.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "53d40abd2583d23e4718fddf1ebec84dbff8381c07cae67ff7768bbf19c6718e"
+
 [[package]]
 name = "windows_x86_64_gnu"
 version = "0.52.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "147a5c80aabfbf0c7d901cb5895d1de30ef2907eb21fbbab29ca94c5b08b1a78"
 
+[[package]]
+name = "windows_x86_64_gnullvm"
+version = "0.48.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0b7b52767868a23d5bab768e390dc5f5c55825b6d30b86c844ff2dc7414044cc"
+
 [[package]]
 name = "windows_x86_64_gnullvm"
 version = "0.52.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "24d5b23dc417412679681396f2b49f3de8c1473deb516bd34410872eff51ed0d"
 
+[[package]]
+name = "windows_x86_64_msvc"
+version = "0.48.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ed94fce61571a4006852b7389a063ab983c02eb1bb37b47f8272ce92d06d9538"
+
 [[package]]
 name = "windows_x86_64_msvc"
 version = "0.52.6"
diff --git a/Cargo.toml b/Cargo.toml
index 8eebfce..88b63fd 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -20,6 +20,7 @@ base64 = "0.21.5"
 clap = { version = "4.4.8", features = ["derive"] }
 flate2 = "1.0.28"
 image = "0.25.2"
+miette = { version = "7.2.0", features = ["fancy"] }
 rand = { version = "0.8.5", features = ["small_rng"] }
 serde = { version = "1.0.192", features = ["derive"] }
 serde_json = "1.0.108"
diff --git a/examples/layout.rs b/examples/layout.rs
deleted file mode 100644
index 556ed4f..0000000
--- a/examples/layout.rs
+++ /dev/null
@@ -1,46 +0,0 @@
-use clap::Parser;
-use factorio_blueprint::{
-    common::visualize::Visualize,
-    layout::{genetic_algorithm2, GeneticAlgorithm, PathLayout},
-};
-use rand::{rngs::SmallRng, SeedableRng};
-
-#[derive(Debug, Parser)]
-struct Args {
-    #[clap(default_value_t = 0)]
-    seed: u64,
-}
-
-fn main() {
-    let args = Args::parse();
-
-    let file = std::fs::File::open("layout3.yml").unwrap();
-
-    let p = serde_yaml::from_reader(file).unwrap();
-
-    let mut rng = SmallRng::seed_from_u64(args.seed);
-
-    dbg!(&p);
-
-    // let mut g = GeneticAlgorithm::new(&p, 20, 2, 0, &mut rng);
-
-    // for i in 0..100 {
-    //     println!("Generatrion {i}");
-    //     g.generation(&mut rng);
-    // }
-
-    // g.output_population();
-
-    let mut m: Option<PathLayout> = None;
-    for _ in 0..1 {
-        let g = genetic_algorithm2(&p, 10, 320, &mut rng);
-
-        g.print_visualization();
-        g.png_visualization("test.png");
-        if m.as_ref().is_none_or(|m| g.score() < m.score()) {
-            m = Some(g);
-        }
-    }
-
-    m.unwrap().print_visualization();
-}
diff --git a/src/bin/layout.rs b/src/bin/layout.rs
new file mode 100644
index 0000000..413fffa
--- /dev/null
+++ b/src/bin/layout.rs
@@ -0,0 +1,65 @@
+use clap::{Parser, Subcommand};
+use factorio_blueprint::{
+    common::visualize::Visualize,
+    layout::{genetic_algorithm2, GeneticAlgorithm, PathLayout},
+};
+use miette::{Context, IntoDiagnostic, Result};
+use rand::{rngs::SmallRng, SeedableRng};
+use std::path::PathBuf;
+
+#[derive(Debug, Parser)]
+struct Args {
+    #[clap(short, long, default_value_t = 0)]
+    seed: u64,
+
+    problem: PathBuf,
+
+    #[command(subcommand)]
+    subcommand: Commands,
+}
+
+#[derive(Debug, Subcommand)]
+enum Commands {
+    V1,
+    V2,
+}
+
+fn main() -> Result<()> {
+    let args = Args::parse();
+
+    let mut rng = SmallRng::seed_from_u64(args.seed);
+    let file = std::fs::File::open(args.problem)
+        .into_diagnostic()
+        .context("Failed to open problem file.")?;
+    let p = serde_yaml::from_reader(file)
+        .into_diagnostic()
+        .context("Failed to parse yaml.")?;
+
+    match args.subcommand {
+        Commands::V1 => {
+            let mut g = GeneticAlgorithm::new(&p, 20, 2, 0, &mut rng);
+
+            for i in 0..100 {
+                println!("Generatrion {i}");
+                g.generation(&mut rng);
+            }
+
+            g.output_population();
+        }
+        Commands::V2 => {
+            let mut m: Option<PathLayout> = None;
+            for _ in 0..20 {
+                let g = genetic_algorithm2(&p, 10, 320, &mut rng);
+
+                g.print_visualization();
+                if m.as_ref().is_none_or(|m| g.score() < m.score()) {
+                    m = Some(g);
+                }
+            }
+
+            m.unwrap().print_visualization();
+        }
+    }
+
+    Ok(())
+}