diff --git a/2023/24/input.txt b/2023/24/input.txt
index fea9157..968737e 100644
--- a/2023/24/input.txt
+++ b/2023/24/input.txt
@@ -1,2 +1,300 @@
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+406443206002069, 408418643042667, 474821354202344 @ -141, -45, -62
+334538805750414, 205042609862092, 172602418124966 @ -38, 26, -32
+281503094887483, 339159593311865, 256093380450069 @ -15, 17, 149
+356812301707315, 294715961914937, 228379411406886 @ -117, -95, 36
+309832899133447, 148054362784093, 212206611562426 @ 69, 350, -121
+328989587514251, 152173295725598, 511434957826493 @ -47, 260, -719
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+335384329650339, 186871073057303, 147134214615107 @ -7, 131, -5
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+210004625118791, 267836948065689, 245626536468366 @ 143, 36, 84
+361872595319165, 272986116301832, 150794679356525 @ -133, -56, 223
+348137722326439, 292125801716457, 340220272559454 @ -111, -285, -622
+338769913902940, 199679449431663, 148426401884921 @ -62, -41, 11
+343514348390387, 191966371332872, 168977571537884 @ -103, 118, -14
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diff --git a/2023/24/solutions.ts b/2023/24/solutions.ts
index d7f0e82..6af61f5 100644
--- a/2023/24/solutions.ts
+++ b/2023/24/solutions.ts
@@ -4,9 +4,8 @@ import { Input } from "../../utils/deno/input.ts";
 type Vec3 = [number, number, number];
 
 interface Line {
-  a: number;
-  b: number;
-  c: number;
+  k: number;
+  y0: number;
 }
 
 interface Record {
@@ -24,54 +23,13 @@ function parseRecord(line: string): Record {
 }
 
 function line(record: Record): Line {
-  // +vx +vy / up, right
-  // +vx -vy \ down, right
-  // -vx + vy \ up, left
-  // -vx -vy / down, left
-
-  let x1 = 0;
-  let x2 = 0;
-  let y1 = 0;
-  let y2 = 0;
-
-  if (record.velocity[0] > 0 && record.velocity[1] > 0) {
-    // +vx +vy / up, right
-    x1 = record.position[0];
-    x2 = record.position[0] + record.velocity[0];
-
-    y1 = record.position[1];
-    y2 = record.position[1] + record.velocity[1];
-  } else if (record.velocity[0] > 0 && record.velocity[1] < 0) {
-    // +vx -vy \ down, right
-    x1 = record.position[0];
-    x2 = record.position[0] + record.velocity[0];
-
-    y1 = record.position[1];
-    y2 = record.position[1] + record.velocity[1];
-  } else if (record.velocity[0] < 0 && record.velocity[1] > 0) {
-    // -vx + vy \ up, left
-    x1 = record.position[0] + record.velocity[0];
-    x2 = record.position[0];
-
-    y1 = record.position[1] + record.velocity[1];
-    y2 = record.position[1];
-  } else if (record.velocity[0] < 0 && record.velocity[1] < 0) {
-    // -vx -vy / down, left
-    x1 = record.position[0] + record.velocity[0];
-    x2 = record.position[0];
-
-    y1 = record.position[1] + record.velocity[1];
-    y2 = record.position[1];
-  }
-
-  const a = y2 - y1;
-  const b = x2 - x1;
-  const c = x1 * y2 - x2 * y1;
-
+  // Incline of the line
+  const k = record.velocity[1] / record.velocity[0];
+  // y where x=0
+  const y0 = record.position[1] - k * record.position[0];
   return {
-    a,
-    b,
-    c,
+    k,
+    y0,
   };
 }
 
@@ -86,44 +44,36 @@ export function solvePart1(
 
   // Simple linear regressions
   for (const [recordA, recordB] of combinations(records, 2)) {
-    // a1x+b1y+c1=0 and a2x+b2y+c2=0
     const left = line(recordA);
     const right = line(recordB);
 
     // console.log(recordA, recordB);
 
-    // y = kx + m
-    // check if k1 = k2
-    if (-left.a / left.b === -right.a / right.b) {
+    if (left.k === right.k) {
       // Parallel
-      console.log("   parallel");
-      console.log();
+      // console.log("   parallel");
+      // console.log();
       continue;
     }
 
     // Intersection
-    const x =
-      -(left.b * right.c - right.b * left.c) /
-      (left.a * right.b - right.a * left.b);
-    const y =
-      (left.a * right.c - left.c * right.a) /
-      (left.b * right.a - left.a * right.b);
+    const x = (right.y0 - left.y0) / (left.k - right.k);
+    // kx+m
+    const y = left.k * x + left.y0;
 
     // Out of bounds
     if (x < min || x > max || y < min || y > max) {
-      console.log("   outside bounds", x, y);
-      console.log();
+      // console.log("   outside bounds", x, y);
+      // console.log();
       continue;
     }
-    console.log(x, y);
 
     // In the past
     const leftT = (x - recordA.position[0]) / recordA.velocity[0];
     const rightT = (x - recordB.position[0]) / recordB.velocity[0];
-    console.log(leftT, rightT);
     if (leftT < 0 || rightT < 0) {
-      console.log("   in the past");
-      console.log();
+      // console.log("   in the past");
+      // console.log();
       continue;
     }