diff --git a/Cargo.toml b/Cargo.toml
index 19d7abf..f9363ba 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -33,6 +33,10 @@ harness = false
 name = "bench_aoc_7"
 harness = false
 
+[[bench]]
+name = "bench_aoc_8"
+harness = false
+
 [dependencies]
 bstr = "1.12.1"
 [profile.bench]
diff --git a/benches/bench_aoc_8.rs b/benches/bench_aoc_8.rs
new file mode 100644
index 0000000..553f638
--- /dev/null
+++ b/benches/bench_aoc_8.rs
@@ -0,0 +1,15 @@
+use std::hint::black_box;
+use criterion::{criterion_group, criterion_main, Criterion};
+use aoc2025::aoc::aoc_8;
+
+fn bench_aoc_8_part1(c: &mut Criterion) {
+    let input = black_box(include_str!("../src/aoc/input/full_input_aoc8.txt"));
+    c.bench_function("bench_aoc8 part 1", |b| b.iter(|| aoc_8::solve_p1(input)));
+}
+
+
+criterion_group!(
+    benches_p8,
+    bench_aoc_8_part1,
+);
+criterion_main!(benches_p8);
\ No newline at end of file
diff --git a/src/aoc.rs b/src/aoc.rs
index 4f33f99..498a907 100644
--- a/src/aoc.rs
+++ b/src/aoc.rs
@@ -5,3 +5,4 @@ pub mod aoc_4;
 pub mod aoc_5;
 pub mod aoc_6;
 pub mod aoc_7;
+pub mod aoc_8;
diff --git a/src/aoc/aoc_8.rs b/src/aoc/aoc_8.rs
new file mode 100644
index 0000000..aabf2a0
--- /dev/null
+++ b/src/aoc/aoc_8.rs
@@ -0,0 +1,56 @@
+
+
+
+pub fn solve_p1(input: &str) -> u64 {
+    let mut answer = 0;
+    let mut cords = Vec::new();
+    for line in input.lines() {
+        let data = line.split(',').flat_map(|d| d.parse::<i64>()).collect_array::<3>().unwrap();
+        cords.push(data);
+    }
+    //println!("{:?}", cords);
+
+    let mut closest:Vec<[i64; 3]> = Vec::new();
+    let mut pairs:Vec<([i64;3], [i64;3])> = Vec::new();
+    for i in 0..cords.len() {
+        let mut distance = i64::MAX;;
+        for j in 0..cords.len() {
+            if i != j {
+                let distance_x = cords[i][0] - cords[j][0];
+                let distance_y = cords[i][1] - cords[j][1];
+                let distance_z = cords[i][2] - cords[j][2];
+                let new_distance = ((distance_x.pow(2) + distance_y.pow(2)) + distance_z.pow(2)).isqrt() ;
+                if new_distance < distance {
+                    distance = new_distance;
+                    if i < closest.len() {
+                        closest[i] = cords[j];
+                    } else {
+                        closest.insert(i, cords[j]);
+                    }
+
+                }
+            }
+        }
+    }
+    for i in 0..closest.len() {
+        if !pairs.contains(&(cords[i], closest[i])) && !pairs.contains(&(closest[i], cords[i])) {
+            if cords[i][0] < closest[i][0] {
+                pairs.push((cords[i], closest[i]));
+            } else {
+                pairs.push((closest[i], cords[i]));
+            }
+
+        }
+
+    }
+    pairs.sort_unstable();
+    //vec of vecs containing all cords combined together
+    let mut circuits: Vec<Vec<[i64;3]>> = Vec::new();
+    //circuits[0].push(pairs[0].0);
+    for i in 0..pairs.len() {
+
+    }
+    // make tree, insert data check if cord in tree
+    //println!("{:?}", pairs);
+    answer
+}
\ No newline at end of file
diff --git a/src/aoc/input/test_input_aoc8.txt b/src/aoc/input/test_input_aoc8.txt
new file mode 100644
index 0000000..20c6fd2
--- /dev/null
+++ b/src/aoc/input/test_input_aoc8.txt
@@ -0,0 +1,20 @@
+162,817,812
+57,618,57
+906,360,560
+592,479,940
+352,342,300
+466,668,158
+542,29,236
+431,825,988
+739,650,466
+52,470,668
+216,146,977
+819,987,18
+117,168,530
+805,96,715
+346,949,466
+970,615,88
+941,993,340
+862,61,35
+984,92,344
+425,690,689
\ No newline at end of file
diff --git a/src/lib.rs b/src/lib.rs
index 1f98310..0a30b9f 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -1,2 +1,3 @@
 #![feature(portable_simd)]
+#![feature(exact_length_collection)]
 pub mod aoc;
diff --git a/src/main.rs b/src/main.rs
index f4326c2..b515915 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -1,4 +1,8 @@
-#![feature(portable_simd)] // Enable the nightly feature
+#![feature(portable_simd)]
+#![feature(exact_length_collection)]
+extern crate core;
+
+// Enable the nightly feature
 pub mod aoc;
 use crate::aoc::*;
 
@@ -42,14 +46,17 @@ fn main() {
     println!("answer: {}", answer);
 
      */
-
+    /*
     let input = include_str!("aoc/input/full_input_aoc7.txt");
     let answer = aoc_7::solve_p1(input);
     println!("answer: {}", answer);
-    let input = include_str!("aoc/input/full_input_aoc7.txt");
+    let input = include_bytes!("aoc/input/full_input_aoc7.txt");
     let answer = aoc_7::solve_p2(input);
     println!("answer: {}", answer);
-
+    */
+    let input = include_str!("aoc/input/test_input_aoc8.txt");
+    let answer = aoc_8::solve_p1(input);
+    println!("answer: {}", answer);
 }
 
 #[test]