diff --git a/2022/inputs/day06 b/2022/inputs/day06
new file mode 100644
index 0000000..443dbf0
--- /dev/null
+++ b/2022/inputs/day06
@@ -0,0 +1 @@
+plhlsssjsrscspsffmrffwvfvrvvmbbnjnrnrfnndlnlznlznlnccdbbhvbvgvmvzmzvmzmbbrcclsslzslzzsztzftzzhggnjgnjnhnmnqnqqfdfnnrwnwsnwwvgvqqgpptvtrvvfmmzjzmmjssmwsmmhzzvvwzwcwrcrllpbppdgdvvwqvvsnsrnsncnwntnggwqgqhqrqprqrddjvddqsqhshchfffzddswdsshhcnhnqqfjffvlvwvssdqqwrwvrvhrvrzzgwggcjcgclcwchhzvzmzrrjwjqwwvbwwrmmvmpmzpzgpgsghgrrtmmlfmmnzzmpzzvmvjjsqqshqshsqqgtqggpvvrtttwbbhnbnlbnlnhnthtjhjshhrmrjjlclpprmrnrsrwrbwrwwjnwnbwbhbmbggdbgghllcvlvddzbdbdvdwvdvjvqvcvczvcvclvvrggrngrrwcwbcczgghnhznhnttbcbvcvttrrpbrppndppvvvgvtgvvhfvhhttppjmjllznlnldnldlwlnwlnlttgzzcfcggwmgmqgmmshmhqqdfqfpfqppprzrhrnrhnrrtsrrgpgnpngnqnmmrtrvtrrfccszszffvlfvlvssvdvvpggvcvscvvpmpgpqpfqqhttrhhsbhbqhhzggzrgrqrfqffwllggrgqqjzqzzsgglvgllsgllptltblbggvrggctczzllvsvcscrrzjrzzjnnbvvtntpntnvtntcntcnnwsnnnvjnnsccsddcvvgzgwggbnbwnwbwmwttzzsgzzjpzztwztwwhhzggplgplggwwwphpmmhchsccmwmttvjtjftffzbfffjljbbqvvstsggbbqrbqrbrhbbrmbmppvrpphptpggqgddtmdtmdmbbbcdbbgssmzzthhtjjrgjrgrzzchzhttgddjnjrjmjllrcrqqsvsjjjhvvphhgjhgjhjccwmcmjcmjmhmzznmmcbcscddcsssnppsnpnmnqmmtztftqtjtqqgvgvjjfnjffqbqbfqqwfqfcfsfttvccnssjvvpfvpvttvpvccwhwfwlwlclljqqststllgqgzqqfpflpplpssnntstqqpnnsrnsrrsvrsvsrvsrrtztmtptpcpssgnnfvflffscsqszzsppfnftfptfpfnfbbwzbzfbbtggrzrnntztnznhnnlbnbrbdddjhjchhdshhnzhnnsrnrrqwrrdsdlsstdsslqsqdqvqzvqvwqqlmmwzmwzwztzlzczhqfrclvgvnlchrggsrjhntctdbpfdcffwjngdvdrjmgvwvptlvlhvhshqphmrdznqbtchcvrwfrpvwhzmrwlcjwnrsgrqcbsgpwjthstvqzlwjjmqbvhhdfdsmqnmnswmwjtpgjhdpgcnvmlcjwjzrjhmrqmqnrqrmgdnbdgznwhgzncmcbzpntcdflvrbfdzwgpnqjqmrcqpbrzwhwdgtgshhmrwvhnrwslvcswjvdgglfrdvmqdspppwmvfzvdbvpcnhmvgfqwnvjvvzrvttwvbjrbjlllmwtlcltvqmwshnqsdtjrptvqjvdjgzwgzzhcdbwjzhdgsptfrtmmqvhsnsnpgwbncbnnvwmmrrjgfccbzcpcjmqvqsbvjrstzblsrngphwndfdswjnnnfdgpcbslvbjglqqnbbtjljsmdgcslmwlvgwpsqthlmmqfgpgmcvrpvvtzcjdrwcjgrbwthblwpwpbzvjvhzsphmfhfwvsthlfnhhfcmpsnmgrvrntlzpdvqwtrghnslnfhcjwrsvrngqqtwvcsfhbjwmsnmsmgvdhnzjgljtchbtwlfppvbtdclbdjdmwzcntvgfjlcwdplnjwqnzqhnfgcnbrgftqpdmqzrrhglbzzvjcdnbtfnvmsrbjdzhbqmhnsmprgvjzzgvllhqnzgpstqzcnlgsrcwzlhwqvcjlwnnjslmdtwqcpbrntrmrmmtscjwwtzjhghtqvvpldzvhtmspzlnlfgrfhmsndbdgpgvphwwgqhrtlwztgqqsrwnrnqphqfsrtbztqbrgmfbtpjwhhrglhbzmmjptppnfdzlpbqfcbdwzdtqbrvfmtdzdjlnzvqfnzmttpqgzgmrqwmdtmdzrttffpdlgwdhnlrhnnztphvrbzcrlvcpswlngcjhdzqwwwpzdmhhwpnzwgjsdsdbdvpfsrwmwvsggpcqbchwjpgljnbtpvjzbbvgsbsbjmtwtbjtzzsfvrmfvnmcngvvdsvljvjbrlfgstjrhtjplttzhjfbmphvbqdsmwfwspqpcvmgzgjnqlphshlgdwcvtmpwcfgdcbqwpnshfgrfjvlrtqbffwwtbnwtvjlsdgwgfmhlrsmfrjzcwccdzfwwdwhwdsjbllhjsqmnqvngvdmbvbssfjtjfbtngrdwgldcrtpmvrbrmpvwwsfrlnbqsqzfnftpbhslqccnbqwgbdbfpblpmwbgjzmnptnhdjzqjhdrhqbtfhsrdqwlmwzqlsmmslgfzpvtgtsrlszvqrhrzclbqhzzwwfmhrrvsrnsjbdjsqqlsmgdmgbdtmvfjmsbwjqmqrvrhqbchpqrwvlvwpvhjlbdzfjvrwmchccrsrfvhzmpfjqwnrbvqmgwjcbndjdtfgnrzrqwgzhrdvghdrvgtplcrthgchmvwtdrchfwpdszzzhqpmrlzvfdnfnlwghmmwvsscbrdbchhgttsnbzdbqgddqfvcgvqwltnqtcwrmhtftnlwvlglsvvctccnntznsjnmmgqlzmplsdspnjtmzlbvrfzfclnhgjzmvntdwhspqwtpgndspnjqjqwrpwhjhpvjwfptpndnwvcjdwsvdtcrtwpsprgmrspgmcsdgtjbbgsgvcjhrcldlvgvqwqwthplzgwbzmszjfrlnznvgphnqzcwsztvvljlrlzrndbzccstprhntnlmshhclnrsmsvvvsbmpfdjsmspwcqtmlrrdmfzjjjhmsmdfqddzpgtbzbsnhhhpsfrdrdvpvpnjmvnhdrzrqggrpqdcmctvqfrtfmjjqjwgzzbrdfplhzjbnqlmjlcgvmsbpgdlfjmbgqtrvzzdgtlmbqthjrdtlstqtzqvfjvmmstsmtsbnjvstjjvrrjqcbjvhfpslpvjmdznrcnsvlpbpzmslqtpczmvhdwzrhwbwtfvrrmbszvrhwsjrclcscgngwvblbbrqprgshwzhlqgwmpfsmqsvpjbdccdmtnnhqfwvlgjlszmmmdmtmpzwhplzsjztrnwngbvspqqbmghwzgvfjdrblfmtwcvnczsrflmsjmrsvzldmttjwcmnvwcbjfvznhgntnqfbfchcqqshhjldgltqhdlqldlpfjnjvtbvbntzdjzstcqbzdnmsvcdgvjmmvtdfvdplqfndqqlzlspmjgdfbgsvwzqzsvvbbldltbtzwzpqrzfmfzgdbpqnwtrfcgwmlbpzrgscbjvfdwnjzjdfzltsbppnljzrgggplmttpmgwnhdlwfhwzsrcflnrqqzwsbqllwjqlrgwbhvcvqdvjvpbzgnfbbbtccvplzggplbrsbldllwmttwtvltsfljfbbprtvlfshhwdhdgvzfzjttvnphpnjnzsbvfwflfpqwnhvwjdsrtbwsjzqhgfldnssfbbzzqqrwtjvwjschmndgqzjtpsbfhwtmqbtfstrbghgtnldjqtshdnrwzvwddchhvdbsfjnqzfjdpvhvwwjspftgbtgwzdfgzzhpvjpdlrrdfnpftshthwzjzmzdghnfdqcbmjhfdgzrcgrzbrjtmhwbjhcpgjdsmnqzncdlwhqqzqblgdbbdsmrqgbdbmdczvvpnbbjdwrlmrwgnnbbzpcnsjgcmshgzwnjzwjlrdmvmhvjrzphgpczppqvwjthcdphprhhrggjdpzmgtpjjfvpczzrvsssfrrptnzlstrhmbhvzmwjnddshrrtgspbllvqlsptrtvtldsgnjjbwtfmtbjdvmgbptjlzhpttjmvpgnjphswhtdq
diff --git a/2022/src/bin/day06.rs b/2022/src/bin/day06.rs
new file mode 100644
index 0000000..4b73f1c
--- /dev/null
+++ b/2022/src/bin/day06.rs
@@ -0,0 +1,53 @@
+#![feature(test, array_windows)]
+extern crate test;
+use std::collections::HashSet;
+
+use aoc2022::{boilerplate, common::*};
+
+const DAY: usize = 6;
+
+fn parse_input(raw: &str) -> &str {
+    raw
+}
+
+// Different implementation because manual comparisons are feasible for groups of 4 and
+// significantly faster than sets.
+fn part1(parsed: &str) -> usize {
+    parsed
+        .as_bytes()
+        .array_windows()
+        .zip(4..)
+        .find_map(|([a, b, c, d], i)| (a != b && a != c && a != d && b != c && b != d && c != d).then_some(i))
+        .unwrap()
+}
+
+fn part2(parsed: &str) -> usize {
+    parsed
+        .as_bytes()
+        .array_windows::<14>()
+        .zip(14..)
+        .find_map(|(arr, i)| (arr.iter().collect::<HashSet<_>>().len() == 14).then_some(i))
+        .unwrap()
+}
+
+boilerplate! {
+    TEST_INPUT == "mjqjpqmgbljsphdztnvjfqwrcgsmlb",
+    tests: {
+        part1: {
+            TEST_INPUT => 7,
+            "bvwbjplbgvbhsrlpgdmjqwftvncz" => 5,
+            "nppdvjthqldpwncqszvftbrmjlhg" => 6,
+            "nznrnfrfntjfmvfwmzdfjlvtqnbhcprsg" => 10,
+            "zcfzfwzzqfrljwzlrfnpqdbhtmscgvjw" => 11,
+        },
+        part2: {
+            TEST_INPUT => 19,
+            "nppdvjthqldpwncqszvftbrmjlhg" => 23,
+            "nznrnfrfntjfmvfwmzdfjlvtqnbhcprsg" => 29,
+            "zcfzfwzzqfrljwzlrfnpqdbhtmscgvjw" => 26,
+        },
+    },
+    bench1 == 1287,
+    bench2 == 3716,
+    bench_parse: str::len => 4096,
+}