diff --git a/2021/src/main/scala/aoc2021/Day06.scala b/2021/src/main/scala/aoc2021/Day06.scala
index df7b246..397c872 100644
--- a/2021/src/main/scala/aoc2021/Day06.scala
+++ b/2021/src/main/scala/aoc2021/Day06.scala
@@ -5,19 +5,17 @@ import nmcb.predef.*
 
 object Day06 extends AoC:
 
-  val ages: Map[Int,Long] =
-    input
-      .split(",")
-      .groupMapReduce(_.toInt)(_ => 1L)(_ + _)
+  val ages: Map[Int, Long] =
+    input.split(",").groupMapReduce(_.toInt)(_ => 1L)(_ + _)
 
-  val FirstSpawnAfter = 8
-  val SpawnAfter      = 6
+  val FirstSpawnAfter =  8
+  val SpawnAfter      =  6
   val SpawnNow        = -1
 
-  extension (generation: Map[Int,Long])
+  extension (generation: Map[Int, Long])
 
-    def next: Map[Int,Long] =
-      val aged    = generation.map((timer,count) => (timer - 1) -> count)
+    def next: Map[Int, Long] =
+      val aged    = generation.map((timer, count) => (timer - 1) -> count)
       val spawned = aged.getOrElse(SpawnNow, 0L)
       val next    = aged.getOrElse(SpawnAfter, 0L) + spawned
       aged.removed(SpawnNow) + (FirstSpawnAfter -> spawned) + (SpawnAfter -> next)