diff --git a/Cargo.lock b/Cargo.lock
index 9ba6823..7f4c752 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -7,14 +7,24 @@ name = "advent-of-code-2022"
 version = "0.1.0"
 dependencies = [
  "automod",
+ "scan_fmt",
  "serde_json",
 ]
 
 [[package]]
-name = "automod"
-version = "1.0.4"
+name = "aho-corasick"
+version = "0.7.20"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a7feac164c18ee671e3e01be1ab9c0a362f5ef3eda26d44b06f1df897cd43c4e"
+checksum = "cc936419f96fa211c1b9166887b38e5e40b19958e5b895be7c1f93adec7071ac"
+dependencies = [
+ "memchr",
+]
+
+[[package]]
+name = "automod"
+version = "1.0.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "72c426e0c379613fb47e64539a570809a580b377c3971f676f62d16aaa5084f6"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -23,45 +33,77 @@ dependencies = [
 
 [[package]]
 name = "itoa"
-version = "1.0.4"
+version = "1.0.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4217ad341ebadf8d8e724e264f13e593e0648f5b3e94b3896a5df283be015ecc"
+checksum = "fad582f4b9e86b6caa621cabeb0963332d92eea04729ab12892c2533951e6440"
+
+[[package]]
+name = "memchr"
+version = "2.5.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2dffe52ecf27772e601905b7522cb4ef790d2cc203488bbd0e2fe85fcb74566d"
 
 [[package]]
 name = "proc-macro2"
-version = "1.0.47"
+version = "1.0.49"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5ea3d908b0e36316caf9e9e2c4625cdde190a7e6f440d794667ed17a1855e725"
+checksum = "57a8eca9f9c4ffde41714334dee777596264c7825420f521abc92b5b5deb63a5"
 dependencies = [
  "unicode-ident",
 ]
 
 [[package]]
 name = "quote"
-version = "1.0.21"
+version = "1.0.23"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bbe448f377a7d6961e30f5955f9b8d106c3f5e449d493ee1b125c1d43c2b5179"
+checksum = "8856d8364d252a14d474036ea1358d63c9e6965c8e5c1885c18f73d70bff9c7b"
 dependencies = [
  "proc-macro2",
 ]
 
 [[package]]
-name = "ryu"
-version = "1.0.11"
+name = "regex"
+version = "1.7.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4501abdff3ae82a1c1b477a17252eb69cee9e66eb915c1abaa4f44d873df9f09"
+checksum = "e076559ef8e241f2ae3479e36f97bd5741c0330689e217ad51ce2c76808b868a"
+dependencies = [
+ "aho-corasick",
+ "memchr",
+ "regex-syntax",
+]
+
+[[package]]
+name = "regex-syntax"
+version = "0.6.28"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "456c603be3e8d448b072f410900c09faf164fbce2d480456f50eea6e25f9c848"
+
+[[package]]
+name = "ryu"
+version = "1.0.12"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7b4b9743ed687d4b4bcedf9ff5eaa7398495ae14e61cba0a295704edbc7decde"
+
+[[package]]
+name = "scan_fmt"
+version = "0.2.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0b53b0a5db882a8e2fdaae0a43f7b39e7e9082389e978398bdf223a55b581248"
+dependencies = [
+ "regex",
+]
 
 [[package]]
 name = "serde"
-version = "1.0.150"
+version = "1.0.151"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e326c9ec8042f1b5da33252c8a37e9ffbd2c9bef0155215b6e6c80c790e05f91"
+checksum = "97fed41fc1a24994d044e6db6935e69511a1153b52c15eb42493b26fa87feba0"
 
 [[package]]
 name = "serde_json"
-version = "1.0.89"
+version = "1.0.91"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "020ff22c755c2ed3f8cf162dbb41a7268d934702f3ed3631656ea597e08fc3db"
+checksum = "877c235533714907a8c2464236f5c4b2a17262ef1bd71f38f35ea592c8da6883"
 dependencies = [
  "itoa",
  "ryu",
@@ -70,9 +112,9 @@ dependencies = [
 
 [[package]]
 name = "syn"
-version = "1.0.105"
+version = "1.0.107"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "60b9b43d45702de4c839cb9b51d9f529c5dd26a4aff255b42b1ebc03e88ee908"
+checksum = "1f4064b5b16e03ae50984a5a8ed5d4f8803e6bc1fd170a3cda91a1be4b18e3f5"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -81,6 +123,6 @@ dependencies = [
 
 [[package]]
 name = "unicode-ident"
-version = "1.0.5"
+version = "1.0.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6ceab39d59e4c9499d4e5a8ee0e2735b891bb7308ac83dfb4e80cad195c9f6f3"
+checksum = "84a22b9f218b40614adcb3f4ff08b703773ad44fa9423e4e0d346d5db86e4ebc"
diff --git a/Cargo.toml b/Cargo.toml
index f3bcb53..fb9f9d0 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -7,4 +7,5 @@ edition = "2021"
 
 [dependencies]
 automod = "1.0.4"
+scan_fmt = "0.2.6"
 serde_json = "1.0.89"
diff --git a/res/19/input.txt b/res/19/input.txt
new file mode 100644
index 0000000..e5297f3
--- /dev/null
+++ b/res/19/input.txt
@@ -0,0 +1,30 @@
+Blueprint 1: Each ore robot costs 3 ore. Each clay robot costs 4 ore. Each obsidian robot costs 3 ore and 19 clay. Each geode robot costs 3 ore and 8 obsidian.
+Blueprint 2: Each ore robot costs 3 ore. Each clay robot costs 3 ore. Each obsidian robot costs 3 ore and 9 clay. Each geode robot costs 2 ore and 10 obsidian.
+Blueprint 3: Each ore robot costs 4 ore. Each clay robot costs 4 ore. Each obsidian robot costs 4 ore and 20 clay. Each geode robot costs 2 ore and 12 obsidian.
+Blueprint 4: Each ore robot costs 4 ore. Each clay robot costs 3 ore. Each obsidian robot costs 2 ore and 19 clay. Each geode robot costs 3 ore and 13 obsidian.
+Blueprint 5: Each ore robot costs 3 ore. Each clay robot costs 4 ore. Each obsidian robot costs 3 ore and 16 clay. Each geode robot costs 3 ore and 14 obsidian.
+Blueprint 6: Each ore robot costs 4 ore. Each clay robot costs 4 ore. Each obsidian robot costs 2 ore and 18 clay. Each geode robot costs 4 ore and 20 obsidian.
+Blueprint 7: Each ore robot costs 4 ore. Each clay robot costs 4 ore. Each obsidian robot costs 4 ore and 11 clay. Each geode robot costs 4 ore and 12 obsidian.
+Blueprint 8: Each ore robot costs 3 ore. Each clay robot costs 3 ore. Each obsidian robot costs 2 ore and 20 clay. Each geode robot costs 2 ore and 20 obsidian.
+Blueprint 9: Each ore robot costs 4 ore. Each clay robot costs 4 ore. Each obsidian robot costs 2 ore and 11 clay. Each geode robot costs 4 ore and 8 obsidian.
+Blueprint 10: Each ore robot costs 4 ore. Each clay robot costs 4 ore. Each obsidian robot costs 4 ore and 5 clay. Each geode robot costs 3 ore and 15 obsidian.
+Blueprint 11: Each ore robot costs 2 ore. Each clay robot costs 4 ore. Each obsidian robot costs 4 ore and 15 clay. Each geode robot costs 2 ore and 15 obsidian.
+Blueprint 12: Each ore robot costs 4 ore. Each clay robot costs 3 ore. Each obsidian robot costs 2 ore and 19 clay. Each geode robot costs 3 ore and 10 obsidian.
+Blueprint 13: Each ore robot costs 3 ore. Each clay robot costs 3 ore. Each obsidian robot costs 2 ore and 16 clay. Each geode robot costs 2 ore and 18 obsidian.
+Blueprint 14: Each ore robot costs 4 ore. Each clay robot costs 3 ore. Each obsidian robot costs 3 ore and 11 clay. Each geode robot costs 4 ore and 7 obsidian.
+Blueprint 15: Each ore robot costs 4 ore. Each clay robot costs 3 ore. Each obsidian robot costs 4 ore and 18 clay. Each geode robot costs 3 ore and 13 obsidian.
+Blueprint 16: Each ore robot costs 4 ore. Each clay robot costs 4 ore. Each obsidian robot costs 4 ore and 14 clay. Each geode robot costs 3 ore and 16 obsidian.
+Blueprint 17: Each ore robot costs 3 ore. Each clay robot costs 4 ore. Each obsidian robot costs 4 ore and 6 clay. Each geode robot costs 3 ore and 16 obsidian.
+Blueprint 18: Each ore robot costs 2 ore. Each clay robot costs 4 ore. Each obsidian robot costs 3 ore and 19 clay. Each geode robot costs 4 ore and 12 obsidian.
+Blueprint 19: Each ore robot costs 2 ore. Each clay robot costs 4 ore. Each obsidian robot costs 3 ore and 17 clay. Each geode robot costs 4 ore and 20 obsidian.
+Blueprint 20: Each ore robot costs 3 ore. Each clay robot costs 4 ore. Each obsidian robot costs 4 ore and 16 clay. Each geode robot costs 3 ore and 15 obsidian.
+Blueprint 21: Each ore robot costs 3 ore. Each clay robot costs 3 ore. Each obsidian robot costs 3 ore and 19 clay. Each geode robot costs 2 ore and 9 obsidian.
+Blueprint 22: Each ore robot costs 2 ore. Each clay robot costs 4 ore. Each obsidian robot costs 3 ore and 20 clay. Each geode robot costs 2 ore and 17 obsidian.
+Blueprint 23: Each ore robot costs 4 ore. Each clay robot costs 4 ore. Each obsidian robot costs 3 ore and 7 clay. Each geode robot costs 4 ore and 11 obsidian.
+Blueprint 24: Each ore robot costs 4 ore. Each clay robot costs 4 ore. Each obsidian robot costs 4 ore and 9 clay. Each geode robot costs 3 ore and 9 obsidian.
+Blueprint 25: Each ore robot costs 4 ore. Each clay robot costs 3 ore. Each obsidian robot costs 2 ore and 15 clay. Each geode robot costs 2 ore and 8 obsidian.
+Blueprint 26: Each ore robot costs 2 ore. Each clay robot costs 4 ore. Each obsidian robot costs 4 ore and 16 clay. Each geode robot costs 3 ore and 13 obsidian.
+Blueprint 27: Each ore robot costs 4 ore. Each clay robot costs 3 ore. Each obsidian robot costs 4 ore and 18 clay. Each geode robot costs 4 ore and 11 obsidian.
+Blueprint 28: Each ore robot costs 4 ore. Each clay robot costs 3 ore. Each obsidian robot costs 4 ore and 8 clay. Each geode robot costs 3 ore and 7 obsidian.
+Blueprint 29: Each ore robot costs 2 ore. Each clay robot costs 4 ore. Each obsidian robot costs 4 ore and 20 clay. Each geode robot costs 3 ore and 14 obsidian.
+Blueprint 30: Each ore robot costs 4 ore. Each clay robot costs 4 ore. Each obsidian robot costs 3 ore and 11 clay. Each geode robot costs 3 ore and 8 obsidian.
diff --git a/src/days/d19.rs b/src/days/d19.rs
new file mode 100644
index 0000000..378a179
--- /dev/null
+++ b/src/days/d19.rs
@@ -0,0 +1,55 @@
+use std::{fs, collections::{HashMap, HashSet, VecDeque}};
+
+use scan_fmt::scan_fmt;
+
+const MINUTES: u32 = 24;
+
+pub fn solve() {
+    let path = "res/19/input.txt";
+
+    let contents = fs::read_to_string(path).expect("I/O error, wrong path?");
+
+    // parse blueprints
+    let blueprints: Vec<Blueprint> = contents
+        .lines()
+        .filter(|line| *line != "")
+        .map(|line| {
+            let (id,ore,clay,obs1,obs2,geode1,geode2) =
+                scan_fmt!(
+                    line,
+                    "Blueprint {d}: Each ore robot costs {d} ore. Each clay robot costs {d} ore. Each obsidian robot costs {d} ore and {d} clay. Each geode robot costs {d} ore and {d} obsidian.", 
+                    u32, u32, u32, u32, u32, u32, u32
+                ).unwrap() ;
+            Blueprint { 
+                id, 
+                ore_bot: ore, 
+                clay_bot: clay, 
+                obsidian_bot: (obs1, obs2), 
+                geode_bot: (geode1, geode2) 
+            }
+            
+        })
+        .collect();
+
+    
+
+}
+
+#[derive(Debug)]
+struct Blueprint {
+    id: u32,
+    ore_bot: u32,
+    clay_bot: u32,
+    obsidian_bot: (u32, u32), // (ore, clay)
+    geode_bot: (u32, u32), // (ore, obsidian)
+}
+
+impl Blueprint {
+    pub fn quality_level(&self) -> u32 {
+
+        // TODO dynamic programming?
+
+
+        return self.id * 1; // TODO largest number of geodes that can be opened
+    }
+}
\ No newline at end of file
diff --git a/src/main.rs b/src/main.rs
index 4820c52..9e0980a 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -1,7 +1,7 @@
 pub mod days;
 
 fn main() {
-    days::d18::solve()
+    days::d19::solve()
     //_all_days()
 }