diff --git a/src/tasks/day17.rs b/src/tasks/day17.rs
index d593fb4..257266d 100644
--- a/src/tasks/day17.rs
+++ b/src/tasks/day17.rs
@@ -2,8 +2,9 @@ use itertools::Itertools;
 use regex::Regex;
 
 use crate::utils;
-use std::collections::{HashMap, HashSet};
+use std::collections::HashMap;
 
+use Tile::*;
 fn horizontal(line: &str) -> Option<(i32, i32, i32)> {
     let regex = Regex::new(r"y=(?P<y>\d+), x=(?P<x1>\d+)..(?P<x2>\d+)").unwrap();
     regex.captures(line).map(|m| {
@@ -27,36 +28,36 @@ fn vertical(line: &str) -> Option<(i32, i32, i32)> {
 }
 pub fn task1() {
     let input = utils::read_file("input/day17.txt");
-    let clay_tiles: HashSet<Pos> = input.lines().fold(HashSet::new(), |mut tiles, line| {
+    let clay_tiles: HashMap<Pos, Tile> = input.lines().fold(HashMap::new(), |mut tiles, line| {
         if let Some((x, y1, y2)) = vertical(line) {
             for y in y1..=y2 {
-                tiles.insert(Pos(x, y));
+                tiles.insert(Pos(x, y), Clay);
             }
         }
         if let Some((y, x1, x2)) = horizontal(line) {
             for x in x1..=x2 {
-                tiles.insert(Pos(x, y));
+                tiles.insert(Pos(x, y), Clay);
             }
         }
         tiles
     });
     let (x_min, x_max) = clay_tiles
-        .iter()
+        .keys()
         .map(|p| p.0)
         .minmax()
         .into_option()
         .unwrap();
     let (y_min, y_max) = clay_tiles
-        .iter()
+        .keys()
         .map(|p| p.1)
         .minmax()
         .into_option()
         .unwrap();
+}
 
-    dbg!(x_min);
-    dbg!(x_max);
-    dbg!(y_min);
-    dbg!(y_max);
+enum Tile {
+    Clay,
+    Water,
 }
 
 #[derive(PartialEq, Eq, Hash)]