diff --git a/2022/inputs/14.txt b/2022/inputs/14.txt
new file mode 100644
index 0000000..5e913e7
--- /dev/null
+++ b/2022/inputs/14.txt
@@ -0,0 +1,147 @@
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+541,149 -> 541,141 -> 541,149 -> 543,149 -> 543,144 -> 543,149 -> 545,149 -> 545,144 -> 545,149 -> 547,149 -> 547,148 -> 547,149 -> 549,149 -> 549,144 -> 549,149 -> 551,149 -> 551,141 -> 551,149 -> 553,149 -> 553,147 -> 553,149 -> 555,149 -> 555,146 -> 555,149 -> 557,149 -> 557,147 -> 557,149
+499,13 -> 499,15 -> 495,15 -> 495,22 -> 506,22 -> 506,15 -> 501,15 -> 501,13
+492,65 -> 492,64 -> 492,65 -> 494,65 -> 494,59 -> 494,65 -> 496,65 -> 496,64 -> 496,65 -> 498,65 -> 498,62 -> 498,65 -> 500,65 -> 500,63 -> 500,65 -> 502,65 -> 502,59 -> 502,65 -> 504,65 -> 504,64 -> 504,65 -> 506,65 -> 506,63 -> 506,65 -> 508,65 -> 508,63 -> 508,65
+541,149 -> 541,141 -> 541,149 -> 543,149 -> 543,144 -> 543,149 -> 545,149 -> 545,144 -> 545,149 -> 547,149 -> 547,148 -> 547,149 -> 549,149 -> 549,144 -> 549,149 -> 551,149 -> 551,141 -> 551,149 -> 553,149 -> 553,147 -> 553,149 -> 555,149 -> 555,146 -> 555,149 -> 557,149 -> 557,147 -> 557,149
+527,102 -> 527,106 -> 523,106 -> 523,111 -> 540,111 -> 540,106 -> 533,106 -> 533,102
+490,35 -> 490,31 -> 490,35 -> 492,35 -> 492,31 -> 492,35 -> 494,35 -> 494,29 -> 494,35 -> 496,35 -> 496,26 -> 496,35
+492,65 -> 492,64 -> 492,65 -> 494,65 -> 494,59 -> 494,65 -> 496,65 -> 496,64 -> 496,65 -> 498,65 -> 498,62 -> 498,65 -> 500,65 -> 500,63 -> 500,65 -> 502,65 -> 502,59 -> 502,65 -> 504,65 -> 504,64 -> 504,65 -> 506,65 -> 506,63 -> 506,65 -> 508,65 -> 508,63 -> 508,65
+560,133 -> 564,133
+506,68 -> 506,70 -> 502,70 -> 502,77 -> 513,77 -> 513,70 -> 512,70 -> 512,68
+538,114 -> 538,116 -> 536,116 -> 536,122 -> 552,122 -> 552,116 -> 544,116 -> 544,114
+524,95 -> 529,95
+492,65 -> 492,64 -> 492,65 -> 494,65 -> 494,59 -> 494,65 -> 496,65 -> 496,64 -> 496,65 -> 498,65 -> 498,62 -> 498,65 -> 500,65 -> 500,63 -> 500,65 -> 502,65 -> 502,59 -> 502,65 -> 504,65 -> 504,64 -> 504,65 -> 506,65 -> 506,63 -> 506,65 -> 508,65 -> 508,63 -> 508,65
diff --git a/2022/src/day14.rs b/2022/src/day14.rs
index 8255e8c..1278dea 100644
--- a/2022/src/day14.rs
+++ b/2022/src/day14.rs
@@ -4,7 +4,6 @@ use nom::bytes::complete::tag;
 use nom::character::complete::newline;
 use nom::combinator::map_res;
 use nom::combinator::opt;
-use nom::multi::fold_many0;
 use nom::sequence::separated_pair;
 use nom::sequence::terminated;
 use nom::IResult;
@@ -18,18 +17,19 @@ struct Cave {
     width: usize,
     height: usize,
     occupied: IndexSet,
+    floor: usize,
 }
 
 impl Cave {
     pub fn insert(&mut self, x: usize, y: usize) -> bool {
         // Note: we're indexing column major for better cache locality
-        self.occupied.insert(self.height * x + y)
+        self.occupied.insert(self.floor * x + y)
     }
 
     pub fn drop(&mut self, x: usize, y: usize, total: &mut usize) -> bool {
         if x >= self.width || y >= self.height {
             return false;
-        } else if !self.occupied.insert(x * self.height + y) {
+        } else if !self.insert(x, y) {
             return true;
         }
 
@@ -44,6 +44,18 @@ impl Cave {
 
         supported
     }
+
+    fn drop2(&mut self, x: usize, y: usize, total: &mut usize) {
+        if y >= self.floor || !self.insert(x, y) {
+            return;
+        }
+
+        *total += 1;
+
+        for dx in [0, usize::MAX, 1] {
+            self.drop2(x.wrapping_add(dx), y + 1, total);
+        }
+    }
 }
 
 fn parse_pair(input: &[u8]) -> IResult<&[u8], (usize, usize)> {
@@ -55,9 +67,8 @@ fn parse_pair(input: &[u8]) -> IResult<&[u8], (usize, usize)> {
 }
 
 fn find_dimensions(input: &[u8]) -> IResult<&[u8], (usize, usize)> {
-    fold_many0(
+    reduce_many1(
         terminated(parse_pair, alt((tag(" -> "), tag("\n")))), // Somehow this cant be `newline` because type deduction goes awry
-        || (0usize, 0usize),
         |(width, height), (x, y)| (width.max(x + 1), height.max(y + 1)),
     )(input)
 }
@@ -65,6 +76,8 @@ fn find_dimensions(input: &[u8]) -> IResult<&[u8], (usize, usize)> {
 fn parse_cave(input: &[u8]) -> IResult<&[u8], Cave> {
     let (width, height) = find_dimensions(input)?.1;
 
+    let floor = height + 1;
+
     // Assume parsing went somewhat right
     debug_assert_ne!(width, 0);
     debug_assert_ne!(height, 0);
@@ -72,7 +85,8 @@ fn parse_cave(input: &[u8]) -> IResult<&[u8], Cave> {
     let mut cave = Cave {
         width,
         height,
-        occupied: IndexSet::with_capacity(width * height),
+        occupied: IndexSet::with_capacity(width * floor),
+        floor,
     };
 
     let mut input = input;
@@ -114,8 +128,13 @@ pub fn part1(input: &[u8]) -> Result<String> {
     Ok(total.to_string())
 }
 
-pub fn part2(_input: &[u8]) -> Result<String> {
-    anyhow::bail!("not implemented")
+pub fn part2(input: &[u8]) -> Result<String> {
+    let mut cave = parse_input(input, parse_cave)?;
+
+    let mut total = 0;
+    cave.drop2(500, 0, &mut total);
+
+    Ok(total.to_string())
 }
 
 #[cfg(test)]
diff --git a/2022/src/samples/14.txt b/2022/src/samples/14.txt
new file mode 100644
index 0000000..4e87bb5
--- /dev/null
+++ b/2022/src/samples/14.txt
@@ -0,0 +1,2 @@
+498,4 -> 498,6 -> 496,6
+503,4 -> 502,4 -> 502,9 -> 494,9