diff --git a/Cargo.toml b/Cargo.toml
index b85788e..fe857a9 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -74,3 +74,7 @@ path = "src/day17.rs"
 [[bin]]
 name = "day18"
 path = "src/day18.rs"
+
+[[bin]]
+name = "day19"
+path = "src/day19.rs"
diff --git a/inputs/day19.txt b/inputs/day19.txt
new file mode 100644
index 0000000..c46a6ba
--- /dev/null
+++ b/inputs/day19.txt
@@ -0,0 +1,718 @@
+--- scanner 0 ---
+65,91,116
+-514,-323,679
+-810,416,687
+-670,417,-446
+557,770,781
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+-764,-418,-429
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+
+--- scanner 1 ---
+623,554,-341
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+565,793,665
+
+--- scanner 2 ---
+-396,-811,-616
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+
+--- scanner 3 ---
+-586,-450,-590
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+
+--- scanner 4 ---
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+-733,-518,656
+
+--- scanner 5 ---
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+
+--- scanner 6 ---
+665,-388,856
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+
+--- scanner 7 ---
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+
+--- scanner 8 ---
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+
+--- scanner 9 ---
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+
+--- scanner 10 ---
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+
+--- scanner 11 ---
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+
+--- scanner 12 ---
+-844,-686,-461
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+
+--- scanner 13 ---
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+
+--- scanner 14 ---
+-694,776,767
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+
+--- scanner 15 ---
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+
+--- scanner 16 ---
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+
+--- scanner 17 ---
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+
+--- scanner 18 ---
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+
+--- scanner 19 ---
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+
+--- scanner 20 ---
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+
+--- scanner 21 ---
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+
+--- scanner 22 ---
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+
+--- scanner 23 ---
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+
+--- scanner 24 ---
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+
+--- scanner 25 ---
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diff --git a/src/day19.rs b/src/day19.rs
new file mode 100644
index 0000000..0a284eb
--- /dev/null
+++ b/src/day19.rs
@@ -0,0 +1,31 @@
+use std::collections::HashSet;
+use std::str::FromStr;
+
+struct Report(i32, i32, i32);
+
+impl FromStr for Report {
+    type Err = ();
+
+    fn from_str(s: &str) -> Result<Self, Self::Err> {
+        let mut iter = s.splitn(3, ',').map(|n| n.parse().unwrap());
+        let x = iter.next().unwrap();
+        let y = iter.next().unwrap();
+        let z = iter.next().unwrap();
+        Ok(Self(x, y, z))
+    }
+}
+
+fn make_diffs(reports: &Vec<Report>) -> HashSet<Report> {
+    let mut set = HashSet::new();
+    for (i, report) in reports.iter().enumerate() {
+        
+    }
+    set
+}
+
+fn main() {
+    const INPUT: &str = include_str!("../inputs/day19.txt");
+    let reports = INPUT.split("\n\n").map(|scanner| scanner.lines().map(|line| line.parse().unwrap()).collect()).collect::<Vec<Vec<Report>>>();
+    let diffs: Vec<HashSet<Report>> = reports.iter().map(make_diffs).collect();
+    println!("solution {}", diffs.len());
+}