diff --git a/src/main/kotlin/BlockBalancer.kt b/src/main/kotlin/BlockBalancer.kt
index e2e9f55..7ec561a 100644
--- a/src/main/kotlin/BlockBalancer.kt
+++ b/src/main/kotlin/BlockBalancer.kt
@@ -10,6 +10,7 @@ class BlockBalancer {
 
     fun findInfiniteLoop(input: String): Int {
         val blocks = input.split("\t")
+                .asSequence()
                 .filter { char -> char != "" }
                 .map { char -> char.toInt() }
                 .toMutableList()
diff --git a/src/main/kotlin/CaptchaResolver.kt b/src/main/kotlin/CaptchaResolver.kt
index ee96840..90ccf27 100644
--- a/src/main/kotlin/CaptchaResolver.kt
+++ b/src/main/kotlin/CaptchaResolver.kt
@@ -1,7 +1,7 @@
 class CaptchaResolver {
 
     fun resolvePartOne(input: String): Int {
-        val iterator = input.split("").filter({ s -> s != "" }).listIterator()
+        val iterator = input.split("").filter { s -> s != "" }.listIterator()
         var last: Int = -1
         var current: Int
         var sum = 0
@@ -21,7 +21,7 @@ class CaptchaResolver {
 
     fun resolvePartTwo(input: String): Int {
         var sum = 0
-        val inputList = input.split("").filter({ s -> s != "" })
+        val inputList = input.split("").filter { s -> s != "" }
 
         for ((index, s) in inputList.withIndex()) {
             val digit = s.toInt() // 0 | 1 | 2
diff --git a/src/main/kotlin/PassphraseValidator.kt b/src/main/kotlin/PassphraseValidator.kt
index 3119886..9e9f3b0 100644
--- a/src/main/kotlin/PassphraseValidator.kt
+++ b/src/main/kotlin/PassphraseValidator.kt
@@ -1,11 +1,12 @@
 class PassphraseValidator {
 
     fun validate(input: String): Int {
-        return input.split("\n").map({ line -> evaluateLine(line) }).filter { result -> result }.count()
+        return input.split("\n").map { line -> evaluateLine(line) }.filter { result -> result }.count()
     }
 
     fun validateAnagram(input: String): Int {
         return input.split("\n")
+                .asSequence()
                 .filter { line -> line != "" }
                 .map { line -> evaluateAnagramLine(line) }
                 .filter { result -> result }
@@ -16,7 +17,7 @@ class PassphraseValidator {
         val content = input.split(" ")
         val shouldHave = content.size
         val set = mutableSetOf<String>()
-        content.forEach({ string -> addToSet(set, string) })
+        content.forEach { string -> addToSet(set, string) }
         return shouldHave == set.size
     }