diff --git a/advent-of-code-2022.csproj b/advent-of-code-2022.csproj
index d291155..2d60353 100644
--- a/advent-of-code-2022.csproj
+++ b/advent-of-code-2022.csproj
@@ -36,6 +36,7 @@
 	  <None Remove="inputs\06.txt" />
 	  <EmbeddedResource Include="inputs\06.txt" />
 	  <None Remove="inputs\07.txt" />
+	  <EmbeddedResource Include="inputs\06a.txt" />
 	  <EmbeddedResource Include="inputs\07.txt" />
 	  <None Remove="inputs\08.txt" />
 	  <EmbeddedResource Include="inputs\08.txt" />
diff --git a/inputs/06.txt b/inputs/06.txt
index 9946edb..49a0173 100644
--- a/inputs/06.txt
+++ b/inputs/06.txt
@@ -1 +1 @@
-4,1,4,1,3,3,1,4,3,3,2,1,1,3,5,1,3,5,2,5,1,5,5,1,3,2,5,3,1,3,4,2,3,2,3,3,2,1,5,4,1,1,1,2,1,4,4,4,2,1,2,1,5,1,5,1,2,1,4,4,5,3,3,4,1,4,4,2,1,4,4,3,5,2,5,4,1,5,1,1,1,4,5,3,4,3,4,2,2,2,2,4,5,3,5,2,4,2,3,4,1,4,4,1,4,5,3,4,2,2,2,4,3,3,3,3,4,2,1,2,5,5,3,2,3,5,5,5,4,4,5,5,4,3,4,1,5,1,3,4,4,1,3,1,3,1,1,2,4,5,3,1,2,4,3,3,5,4,4,5,4,1,3,1,1,4,4,4,4,3,4,3,1,4,5,1,2,4,3,5,1,1,2,1,1,5,4,2,1,5,4,5,2,4,4,1,5,2,2,5,3,3,2,3,1,5,5,5,4,3,1,1,5,1,4,5,2,1,3,1,2,4,4,1,1,2,5,3,1,5,2,4,5,1,2,3,1,2,2,1,2,2,1,4,1,3,4,2,1,1,5,4,1,5,4,4,3,1,3,3,1,1,3,3,4,2,3,4,2,3,1,4,1,5,3,1,1,5,3,2,3,5,1,3,1,1,3,5,1,5,1,1,3,1,1,1,1,3,3,1
\ No newline at end of file
+cbhbmmqnmmqvqfqgqcqmmtvvvdsvscvssmfmhfmhhgdgcclhlnnvmnvmnnwngnqggqlqhhbqbfbvffcpfcfpcpmcppsgssvcvmmdwmwsmwswnwvnvvtgvgfgqqnlltgllpplhpllrnrwrtrzrlrzllpnlpnplnlwnnzfztzcchczctcbbpwpbbfhhqllgrllnnghnnlnznzzlqqmggqbgbjjlnlnjllwlnwnjnbjnnhhcddgmdmqmllfjllddmgmpggtvvqqwmmhcmmjpjdpdqqnhhqbhhscstsvttbwtwdtwwjffvccrwrvvnqqtwwhgwhwthwthhvshsfsjstshthqqdfdhdqhqrqggfffvhffhbbwtbtvtwvvwgvvjjjvtjvvlmlmtmztmthmhttjwwmqqjffhvhqvvrddbsbfbgffmcfffqqfzzgmggzvggbjjmccftcftfnttqqjzjdzdrrgvgsgvvlqvlqqlplnnjccjqcjcgjgfjgjlgjjzhhjbbbfdbfddgccncppsbbjjsttcqtqgqpqllqggtsthhtvvtrttbthtnhhddvnnbggmtggcsgcscmmvmllttjbjggbzbttrfttgsstwtftdthdththbttcggdldtdlttbvvpgpjpwpwvwcwjwsjsttznztzftzzjpzzrtzrztrrtsrrdtrdtdbdhhdgdwwnjnnvjvsjjrwjjvrrzvrvllrgghgbbgbsssslqlrllbjbttzfztzpzzvtvccszsddtqttjllqgqgpqphptpwttwtmtltljjfnnzwzmzlzssghssqhhphbhfftwwqmwmzzqtzqzqrrndrrmrqrzrszzrcrbccglgcgwgrgdggtvtpptgtfgflglgrrnvrvhrrhlrhhfchfhdhzzwggvbbgfgrrpdrdccfllqflfmlfmlmbbhnbbsblbzbgbqqjppcddcvvsddjfjjlnnwbbflfzzmlmddjssjffcqffwdfdqqphpnhppbttjfjzzdvdjvvddnfffmjfmfmpfmmmdlmlrrhqqcpcmclmmbmppzczjjmlltqlqzzqgqcggdmdzznnnnsjjvbjjwbwhbhfhvvtmmsfmmcgmcmwcwhwnhhpccmbmdbmbgbjbggqqccfllfqqmqwwzbblffthhdnncqnccqppldlpldpllzmmsqqdffnggqlqtllwlglnlnhlhflfssvzzrllbtbnbgnnfvfllwslszswsnnpwwppvspsmmnfnpffrmrhmmctttrjrbjrjpjtpjpssdwdtwtmmtgtsgttlwttfrfvvpjpcjccmtthhldhllzslshhnrnvvfddnllltclcrrhnnjwwwpfpddmtmsmfflslrlmlmwmllgfgmfgmmjttpcpspslsjspsqstqsqqpsprphrrpqqfzqqwcwcddsjjpvvfnfvnnnrncnwcwczzcwzwnwmwffbdfbdfdjjhrhvhhvwvsvhshnhwwzlwlnnphhtjjmljjqzjjsjgsjshhwjjmttvgvsgstggrcrmmrqrhrqrzrmzmggqvqtqgtqqqqltqqwggmmzggjccgmgwgqqmnqnrnprptrrvfrvffnmnfmmnnnwzzldlvlgvlvqqpnphpgglhlshlhzzpcptpssblqvdbpbbcrngctqgptccwpdcpbcjwdmcrzmhwffgzqmmqwpqvplwzmjlzmvmzmbtqjnhzrpppnpntvmjbzmvhjvbgflmmjnwssvqvbnbddfcwqdtvpvddctmpptcjmvwszhbsttcbjlfjvwlljhlqlvvsnzphdjhfswltdhzprltzcszrgcmnmfznmbccstjvjngwpbsfqssfwvpdhhmlmzttzlszsgpvvbcfvzrlsttlqpnqhwtbqfjnbztnwfnhlhfltgdtsrrwrfhlssvsgzpffnnrhgcvclqnjgfhhzswllvcjffpngcmtjphwnbdfrrgjfrfqbnvbwgccsjvvmjgcvqvtggnvgvgnnchbblqnvvdgjtvdmfrzvhvhzcbqzdslphjjqtcwjqptstvvpqgdbgbcmmchjpvjhvbwtlmlnqpldfcbmwvrmpqcsfdhmmwnbvmpglcfbnsgjmljcwpzpwffcqfrbdrztzhqzhzpcrjfdmrctttdrzlmzcqwjftngwjmgqscftnpbjwqrcvqwbwbdhbhvrdcvgrvctjgwjtmdgzwgvdbmsrjpsbhwcqlqzjnzmgpctlwqhfnbmgsprjcqtfjjvzljqpfqgnvrgnjjlmpqgnzpmpsvzjmtvnfgslldjtjdwlzrvqrbvcpspzpcdnpdjmhcdhsbmthmgjqchqwwsnfjnwgpctlwcdpqpmzqcrptscngqnmhzwjdcqwvdmlzntsfbstbtmmnlsspjbjjdspnslgcnlbfnbhjlzjhrrmdbbwtswqpbpwtzhcnldbsfrvndzvcgzjprcrclhfwbvzgthcglfzqrshgtvbflvnznhmlzdtfnrsltnnppqgrtndbsfqmftdnzmqfwdpcrmssldmrrnzchnqpflgbqzqjjrzlfnptqdwzdhmctfbztmfcmbqcwjmgnwgqzqjctphrrthgvpvppztvpzgzhdszfhlzlcnwmfrlsnvftfrlfvbnlwzctphhpfvszntqcvnfmvmwwhsjlnpfhcpjvrncgmsbprwwllvnsbjfhtbtmcvvpzcvqrrqdvgzvllvcvnvvbftngqcqcvvbsqfshmnhwptcsbsnjzltqzmflftrhblqszrzsbfcpgzncvwhlqlcbmgjdpfcmlgdfphsfcgqccthmlzjbdwpsbddwwrtwmsvqwbzwhzmghhrspvbptznqsqvhgnhlwqjnhgnzprrtjddwtqfsshjrvlglhdlstghftmllvzmmfglnscnrtgcwwwzjphzhvqlctdwjlqvbsvlgzrdpvjhhcthgjhlwsgfzlschhfprfcrzfrzmnlwvqsnqlllczwfhswchrlggqszwrvpldrffnzrffbhtfbslgcdrqpjcrbqsrgfrhttcptncfndcbsdbjsqjvgbmnmhlnbltdcgbmllpgjmgljvglrwmrvgthhhzrsmzvgwcfgvcsbzpjcqnhrzhznzjcjghhwqvllrmsvlpzlssrdsqwvzvqwsvfsjqvbgrfbmfzlchqsjgncbljtvzsfdnvmfzcbrlnnvvmjbmgjmqzjtdzpljdwqtvwsrlbslwfvlgbtnmlpcwmngncnmdhqctshmjmnhpqcqzhvlbvgptctrvggdgnpnrlnngrfhsqdfthvcnpwjfjnslcqlfrfvhnctmsqgnqmgpwtlzhtdqhqqrcllzjccnszsqvrzhcffvnfnstgdmljdrqrndljdnfbbjvmpqdnqhtdlnzcvnfjlvzmfzrndhtglvngmbrdbpbnhvfmrbcwqzttnjplgrhchjtfjwfbjfbmzlrnllhzccpfhfhnjpfvzlpbqnhwmpssvwtzhdbtnbtllhpfdcqjjnzgbdrfjjbcltnzdrmtmsmvpjtmdnqszgbqncsvhjbgwswhmghpvstrqbglgrtgbchttbznvvdhppzwnttpgcbdjdhlsqhhtlphjjrjncrmfdtjhdwmjgmpngnbptzwgwdztmhtpglnftwpnnmrmcwfhwnhlsbwsrjnlmdlmffbzsnhsvnbldwtrrhdhfsjdrsnzlgtfzcwwqrfhtrmjhmphqndwtbpczvmfgczmdlqjqdlwmvjjzwmqnpvwzmtjwtprlnbvjdhpjgndrwzcfthnwhnhqpwtcjlhrhdplzsncfmszmhjmgljhnlsrrfwplclcvjjqmtpnwbtsbwdnjdlqntvdnfgwbpwspssprbffjdlcvbwcqlttnwnhwdspfsjhppbhspnrvrsfmzvbwwtjfzmnzwgqddbmcjzzqhqlgrglsvgsjdwlnsbtmqgsnfwwqrjsbcgdlmbgqwvgpqllqwbcplfjrgnzsdtdtvqnrbcrqjhdtqqplvszvtlflgbpwnpzczbvhzfjrslcwcswsgfvvsswzzwhtfjfpsrvcfnrs
\ No newline at end of file
diff --git a/inputs/06a.txt b/inputs/06a.txt
new file mode 100644
index 0000000..2027ca1
--- /dev/null
+++ b/inputs/06a.txt
@@ -0,0 +1 @@
+mjqjpqmgbljsphdztnvjfqwrcgsmlb
\ No newline at end of file
diff --git a/src/06.cs b/src/06.cs
new file mode 100644
index 0000000..98d82ac
--- /dev/null
+++ b/src/06.cs
@@ -0,0 +1,44 @@
+namespace aoc2022;
+
+internal class Day06 : Day
+{
+    private string? buffer;
+
+    internal override void Parse()
+    {
+        buffer = Util.ReadAllText("06");
+    }
+
+    private static int FindDistinct(string buf, int distinctLen)
+    {
+        Queue<char> s = new(distinctLen);
+        for (int i = 0; i < buf.Length; i++)
+        {
+            var c = buf[i];
+            s.Enqueue(c);
+            if (s.Count < distinctLen)
+            {
+                continue;
+            }
+
+            if (s.Distinct().Count() == distinctLen)
+            {
+                return i + 1;
+            }
+
+            s.Dequeue();
+        }
+
+        throw new Exception("didn't find anything");
+    }
+
+    internal override string Part1()
+    {
+        return $"First span of 4 distinct characters at character <+white>{FindDistinct(buffer!, 4)}";
+    }
+
+    internal override string Part2()
+    {
+        return $"First span of 14 distinct characters at character <+white>{FindDistinct(buffer!, 14)}";
+    }
+}