diff --git a/crop_rot/src/main.rs b/crop_rot/src/main.rs
index d76b793..a5b1f2f 100644
--- a/crop_rot/src/main.rs
+++ b/crop_rot/src/main.rs
@@ -1,79 +1,135 @@
 // mod harvest;
 pub mod model;
 pub mod weights;
+pub mod exact;
+pub mod config;
 
-use model::*;
-use weights::{ColorWeights, Config};
-
-use std::fs::{self, OpenOptions};
-use std::io::prelude::*;
-
-use rayon::prelude::*;
+use config::{ColorValues, Config, MapMods, SeedValues, UpgradeChances, Color};
+use exact::{Field, Grove};
+use rayon::iter::{IntoParallelIterator, ParallelIterator};
 
 fn main() {
-    let config = parse_config("config.toml").unwrap();
 
+    let config = Config {
+        map_mods: MapMods {
+            pack_size: 1.0,
+            no_wilt_chance: 0.6
+        },
+        color_values: ColorValues {
+            yellow: 1.0 / 2500.0,
+            blue: 1.0 / 10000.0,
+            red: 1.0 / 9000.0
+        },
+        seed_values: SeedValues {
+            t1: 7.0,
+            t2: 18.0,
+            t3: 47.0,
+            t4: 230.0,
+            t1_drop_chance: 0.02,
+            t2_drop_chance: 0.09
+        },
+        upgrade_chances: UpgradeChances { 
+            t1_to_t2: 0.25, 
+            t2_to_t3: 0.20, 
+            t3_to_t4: 0.03,
+        }
+    };
 
-    for color in gen_possible_color_weights().into_iter() {
-        let mut file = OpenOptions::new()
-            .create(true)
-            .append(true)
-            .open(format!("data/{}", color))
-            .unwrap();
+    // let y = Field{color: Color::Yellow, wilted: false, upgrades: 0};
+    // let b = Field{color: Color::Blue, wilted: false, upgrades: 0};
+    // let r = Field{color: Color::Red, wilted: false, upgrades: 0};
 
-        for res in run_sim(10000, &config, &color).iter() {
-            writeln!(file, "{res}");
-        }        
-    }
-
-    // for i in 0..10 {
-    //     let res = lifeforce_after_upgrades(i, 1000000, &config);
-
-    //     println!("{i}: {res}");
-    // }
-
-
-}
-
-fn parse_config(path: &str) -> Result<Config, Box<dyn std::error::Error>> {
-    let file = fs::read_to_string(path)?;
-    let config: Config = toml::from_str(&file)?;
-    Ok(config)
-}
-
-fn run_sim(n: usize, config: &Config, color_weight: &ColorWeights) -> Vec<f64> {
-    (0..n)
+    get_color_combos()
         .into_par_iter()
-        .map(|_| Harvest::<Field>::new(color_weight, config).recursive_harvest(config))
-        .collect()
+        .for_each(|colors| { 
+            let val = Grove::setup(colors.clone()).expected_value(&config);
+            println!("{} - {:?}", val, colors);
+         });
+    
 }
 
-fn gen_possible_color_weights() -> Vec<ColorWeights> {
-    let allowed = [0.55, 0.65, 0.75, 0.80, 0.90, 1.00];
+fn get_color_combos() -> Vec<Vec<Color>> {
+    let valid_primitives = [
+        [Color::Yellow, Color::Yellow],
+        [Color::Yellow, Color::Blue],
+        [Color::Yellow, Color::Red],
+        [Color::Blue, Color::Blue],
+        [Color::Blue, Color::Red],
+        [Color::Red, Color::Red],
+        [Color::NotGrown, Color::NotGrown],
+    ];
 
-    let mut all: Vec<ColorWeights> = Vec::new();
+    let mut results: Vec<Vec<Color>> = Vec::new();
 
-    for &yellow in &allowed {
-        for &blue in &allowed {
-            for &red in &allowed {
-                if yellow == 0.55 || blue == 0.55 || red == 0.55 {
-                    all.push(ColorWeights { yellow, blue, red });
+    for yy in 0..=5 {
+        for yb in 0..=5-yy {
+            for yr in 0..=5-yy-yb {
+                for bb in 0..=5-yy-yb-yr {
+                    for br in 0..=5-yy-yb-yr-bb {
+                        for rr in 0..=5-yy-yb-yr-bb-br {
+                            let nn = 5 - yy-yb-yr-bb-br-rr;
+                            if nn <= 2 {
+                                results.push(
+                                    [
+                                        valid_primitives[0].repeat(yy),
+                                        valid_primitives[1].repeat(yb),
+                                        valid_primitives[2].repeat(yr),
+                                        valid_primitives[3].repeat(bb),
+                                        valid_primitives[4].repeat(br),
+                                        valid_primitives[5].repeat(rr),
+                                        valid_primitives[6].repeat(nn),
+                                    ].concat()
+                                )
+                            }
+                        }
+                    }
                 }
             }
         }
     }
 
-    all
+    results
 }
 
-fn lifeforce_after_upgrades(n: usize, tries: usize, config: &Config) -> f64 {
-    (0..tries)
-        .into_par_iter()
-        .map(|_| {
-            let mut field: Field = Field { color: weights::Color::Yellow, wilted: false, t1_seeds: 23, t2_seeds: 0, t3_seeds: 0, t4_seeds: 0};
-            for i in 0..n {
-                field.upgrade(config);
-            }
-            field.harvest(config).unwrap()
-        }).sum::<f64>() / (tries as f64)
-}
+// fn parse_config(path: &str) -> Result<weights::Config, Box<dyn std::error::Error>> {
+//     let file = fs::read_to_string(path)?;
+//     let config: weights::Config = toml::from_str(&file)?;
+//     Ok(config)
+// }
+
+// fn run_sim(n: usize, config: &weights::Config, color_weight: &ColorWeights) -> Vec<f64> {
+//     (0..n)
+//         .into_par_iter()
+//         .map(|_| Harvest::<Field>::new(color_weight, config).recursive_harvest(config))
+//         .collect()
+// }
+
+// fn gen_possible_color_weights() -> Vec<ColorWeights> {
+//     let allowed = [0.55, 0.65, 0.75, 0.80, 0.90, 1.00];
+
+//     let mut all: Vec<ColorWeights> = Vec::new();
+
+//     for &yellow in &allowed {
+//         for &blue in &allowed {
+//             for &red in &allowed {
+//                 if yellow == 0.55 || blue == 0.55 || red == 0.55 {
+//                     all.push(ColorWeights { yellow, blue, red });
+//                 }
+//             }
+//         }
+//     }
+
+//     all
+// }
+
+// fn lifeforce_after_upgrades(n: usize, tries: usize, config: &weights::Config) -> f64 {
+//     (0..tries)
+//         .into_par_iter()
+//         .map(|_| {
+//             let mut field: Field = Field { color: weights::Color::Yellow, wilted: false, t1_seeds: 23, t2_seeds: 0, t3_seeds: 0, t4_seeds: 0};
+//             for i in 0..n {
+//                 field.upgrade(config);
+//             }
+//             field.harvest(config).unwrap()
+//         }).sum::<f64>() / (tries as f64)
+// }
diff --git a/crop_rot/src/weights.rs b/crop_rot/src/weights.rs
index 14c8240..886eab9 100644
--- a/crop_rot/src/weights.rs
+++ b/crop_rot/src/weights.rs
@@ -67,7 +67,7 @@ pub struct Config {
 }
 
 
-#[derive(Debug, Clone)]
+#[derive(Debug, Clone, Copy)]
 pub enum Color {
     Yellow,
     Blue,