diff --git a/2018/loc.svg b/2018/loc.svg
index ce64a3e..67599d4 100644
--- a/2018/loc.svg
+++ b/2018/loc.svg
@@ -32,10 +32,10 @@ z
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       <g>
-       <use style="stroke:#000000;stroke-width:0.8;" x="60.305455" xlink:href="#mec9193305a" y="307.584"/>
+       <use style="stroke:#000000;stroke-width:0.8;" x="60.305455" xlink:href="#mfbab4e6f80" y="307.584"/>
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@@ -71,7 +71,7 @@ z
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-       <use style="stroke:#000000;stroke-width:0.8;" x="127.941818" xlink:href="#mec9193305a" y="307.584"/>
+       <use style="stroke:#000000;stroke-width:0.8;" x="127.941818" xlink:href="#mfbab4e6f80" y="307.584"/>
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-       <use style="stroke:#000000;stroke-width:0.8;" x="195.578182" xlink:href="#mec9193305a" y="307.584"/>
+       <use style="stroke:#000000;stroke-width:0.8;" x="195.578182" xlink:href="#mfbab4e6f80" y="307.584"/>
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-       <use style="stroke:#000000;stroke-width:0.8;" x="263.214545" xlink:href="#mec9193305a" y="307.584"/>
+       <use style="stroke:#000000;stroke-width:0.8;" x="263.214545" xlink:href="#mfbab4e6f80" y="307.584"/>
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-       <use style="stroke:#000000;stroke-width:0.8;" x="330.850909" xlink:href="#mec9193305a" y="307.584"/>
+       <use style="stroke:#000000;stroke-width:0.8;" x="330.850909" xlink:href="#mfbab4e6f80" y="307.584"/>
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+       <use style="stroke:#000000;stroke-width:0.8;" x="398.487273" xlink:href="#mfbab4e6f80" y="307.584"/>
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-       <use style="stroke:#000000;stroke-width:0.8;" x="57.6" xlink:href="#mcf4dca2140" y="295.488"/>
+       <use style="stroke:#000000;stroke-width:0.8;" x="57.6" xlink:href="#m57cd4cc848" y="295.488"/>
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@@ -302,7 +302,7 @@ L -3.5 0
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       <g>
-       <use style="stroke:#000000;stroke-width:0.8;" x="57.6" xlink:href="#mcf4dca2140" y="247.488"/>
+       <use style="stroke:#000000;stroke-width:0.8;" x="57.6" xlink:href="#m57cd4cc848" y="247.488"/>
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@@ -316,7 +316,7 @@ L -3.5 0
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-       <use style="stroke:#000000;stroke-width:0.8;" x="57.6" xlink:href="#mcf4dca2140" y="199.488"/>
+       <use style="stroke:#000000;stroke-width:0.8;" x="57.6" xlink:href="#m57cd4cc848" y="199.488"/>
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+       <use style="stroke:#000000;stroke-width:0.8;" x="57.6" xlink:href="#m57cd4cc848" y="151.488"/>
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@@ -346,7 +346,7 @@ L -3.5 0
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+       <use style="stroke:#000000;stroke-width:0.8;" x="57.6" xlink:href="#m57cd4cc848" y="103.488"/>
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+       <use style="stroke:#000000;stroke-width:0.8;" x="57.6" xlink:href="#m57cd4cc848" y="55.488"/>
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+    <path clip-path="url(#p9e82416f48)" d="M 73.832727 282.048 
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@@ -598,14 +598,14 @@ L 303.796364 263.808
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 L 330.850909 270.528 
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-L 357.905455 289.728 
+L 357.905455 261.888 
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-    <path clip-path="url(#p16eef5b12e)" d="M 73.832727 295.488 
+    <path clip-path="url(#p9e82416f48)" d="M 73.832727 295.488 
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@@ -626,14 +626,14 @@ L 303.796364 294.528
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-L 357.905455 295.488 
+L 357.905455 294.528 
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-    <path clip-path="url(#p16eef5b12e)" d="M 73.832727 232.128 
+    <path clip-path="url(#p9e82416f48)" d="M 73.832727 232.128 
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 L 100.887273 208.128 
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@@ -654,7 +654,7 @@ L 303.796364 143.808
 L 317.323636 225.408 
 L 330.850909 140.928 
 L 344.378182 237.888 
-L 357.905455 277.248 
+L 357.905455 158.208 
 L 371.432727 277.248 
 L 384.96 277.248 
 L 398.487273 277.248 
@@ -870,7 +870,7 @@ L 348.72625 83.926688
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  <defs>
-  <clipPath id="p16eef5b12e">
+  <clipPath id="p9e82416f48">
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diff --git a/2018/src/day22.rs b/2018/src/day22.rs
index 5cfab02..f7db9ad 100644
--- a/2018/src/day22.rs
+++ b/2018/src/day22.rs
@@ -5,6 +5,7 @@ use std::io::BufRead;
 use std::io::BufReader;
 use std::io::Read;
 
+use common::manhattan_distance;
 use common::Solution;
 
 type Coordinate = (usize, usize);
@@ -104,11 +105,11 @@ impl Solution for Day22 {
 
         let mut todo = BinaryHeap::new();
         let mut visited: HashSet<State> = HashSet::new();
-        todo.push((Reverse(0), State { pos: (0, 0), climbing: false, torch: true }));
-
         let target_state = State { pos: target, climbing: false, torch: true };
 
-        while let Some((Reverse(dist), state)) = todo.pop() {
+        todo.push((Reverse(manhattan_distance((0, 0), target)), Reverse(0), State { pos: (0, 0), climbing: false, torch: true }));
+
+        while let Some((Reverse(approx), Reverse(dist), state)) = todo.pop() {
             if visited.contains(&state) {
                 continue;
             }
@@ -131,7 +132,7 @@ impl Solution for Day22 {
                     continue;
                 }
 
-                todo.push((Reverse(dist + 7), state));
+                todo.push((Reverse(approx + 7), Reverse(dist + 7), state));
             }
 
             let xmin = if x == 0 { 0 } else { x - 1 };
@@ -146,11 +147,10 @@ impl Solution for Day22 {
                     };
 
                     if !visited.contains(&new_state) && new_state.is_valid(table[yn][xn]) && (x == xn || y == yn) {
-                        todo.push((Reverse(dist + 1), new_state));
+                        todo.push((Reverse(dist + 1 + manhattan_distance(target, new_state.pos)), Reverse(dist + 1), new_state));
                     }
                 }
             }
-            //println!("{} {:?} {:?}", dist, &state, &todo);
         }
         unreachable!();
     }