diff --git a/2022/day06_signal.py b/2022/day06_signal.py
new file mode 100644
index 0000000..53fdeb7
--- /dev/null
+++ b/2022/day06_signal.py
@@ -0,0 +1,54 @@
+from collections.abc import Generator
+from typing import TypeVar
+
+
+def main(filename: str, expected_part_1: int = None, expected_part_2: int = None):
+    print(f"\n+ Running on {filename}")
+    with open(filename) as f:
+        data = f.read().strip().split("\n")
+
+    data = parse_data(data)
+    solution_part_1 = solve_part_1(data)
+
+    print(f"1. Found {solution_part_1}")
+    if expected_part_1:
+        assert expected_part_1 == solution_part_1
+
+    solution_part_2 = solve_part_2(data)
+    print(f"2. Found {solution_part_2}")
+    if expected_part_2:
+        assert expected_part_2 == solution_part_2
+
+
+DataType = str
+T = TypeVar("T")
+
+
+def parse_data(data: list[str]) -> DataType:
+    return data[0]
+
+
+def solve_part_1(data: DataType) -> int:
+    size = 4
+    for index, window in enumerate(sliding_window(data, size)):
+        if not repeating(window):
+            return index + size
+    return 0
+
+
+def repeating(chars: str) -> bool:
+    return len(set(chars)) != len(chars)
+
+
+def sliding_window(stream: str, size: int) -> Generator[str]:
+    for i in range(len(stream) - size):
+        yield stream[i : i + size]
+
+
+def solve_part_2(data: DataType) -> int:
+    return 0
+
+
+if __name__ == "__main__":
+    main("inputs/day06-test1", expected_part_1=10)
+    main("inputs/day06", expected_part_1=1578)
diff --git a/2022/inputs/day06 b/2022/inputs/day06
new file mode 100644
index 0000000..19a271d
--- /dev/null
+++ b/2022/inputs/day06
@@ -0,0 +1 @@
+mvwvrwvwbblffmvmhmllmzmqzzbhbnnvrnvnmvvqrqrccpsstvvshvvpvvpddzwwjddfzzgbbzcchrrtzzmfffzqqsjjbfbjfjwffhrhrgrfrsfrsffbwwphwhgwgmgnggzwzhwzzpggnccdbcbssgccqgcgcvgccwffrqfqtqmqppwphhlbblnnwhwfhwhmhzhmmzbmbbjjmcjcggwlgltldttpccjlccbjccvfcvvdbvdvndvvmbmcbmmhphpbhhgjgllmljlqlwlclzlccrvrdvdzvzzzbrbrnbblplrplpsstdtjddgjgjgwjwzwbzwwrhwwbzwbwpwssvgvnnwnvvjqqswwsccwctwtntdndffjzfzmfzmfzmfzzhjzhzssdsgsnggbbqdqlqbllmglgddqppjjtzttlflrrczcmzzsppvfpvffcfrccvvvhjvhvfhfbbwdwrwswqqftfbfcfdfnfpnfflbbcmcqqsqwqqccmwmvwvffvdvlvtvqttnllqslsnllzplldmmzczhzmzzhllpfpqpnnqwwwrzzdpzzhccfvcvclcnnrjrmjrjlrlflqqtpqqdgqghhwdwdttlztttwmmvfmftfptphhddswdsdpdvpvpcpjjnvjvqvhvqqqfgqqgwqgwghwwmmvmvfmvvnvsslcclzlslppztzfzbzllcgllcsllvgvqvtqtsstztwwgjgghnhnhdnnqgnntqqtccdmcmhmpphpmmmbpbptpnnnmnppwlpwwfpwfwmfwfssbspslsflljpppbsspwptpwttfbtfftltvlttdmttllmggfcgfccvwcvczvvgvsgswsrrwppgcpggpgnngfnndrrdjrdrfdfmmjmsmbmmwjjjfzfdfbdbbtgbbcsbccgbbrvvrqrwqwmmhrhhbcbdbvdvzdvdjvvnwntwwdfwwrhrmhhnghhncccfttmpmrrjhhqddrsrvvssmrrgvgdgmmfqqhttspswpwlplpjljcjmjmvmdvvhbvvtqvqccczwwtlllztlzzpnnqznzddqsqvsshrrmccnppgrrjcjpccrvcvnvcncllffvnnbsbhhrmhmzzzhrhchjccgjcjwwhddmfmhhmrrrbccqddmjdmjdjtdjjmttzstsctssvvgghgbbhmhzmmjqqqqjgjfjpffpmpzmzszfzgzcggpmpnnqjqffgpghhszzvlzzdgzggqmggqlllcwwtzwwcfwccpjpggtqgtttzffdpffjzfzddzppprnprpqqbppvjpjzppbzpbzppwzzcnndsdzszbssqwqggnhggnzggpcpnndssghsggmfmrffvddvwvssjmjrmrmnndwdwhdhwwfjfjwjmwwqssmdsmdmssqzzrgzzjttnqnfqfcccvvmsvsvffccdjdccgtgqqjwqqnbqqnhqhrqrmrgmrrzjzrznzllwrlrbbcppctptwtfttlntnltnlnzzhrzhrzrtzzvsvfvjffsbsnbbfpphtptjjmffqgqnggnqnsshffslflggtlggmpggnfgfbgbfbcbbtdbdjqwfggzsfmzflttgdfqchhtjfwlmdnsbvmqcrhsrtwtjlmnlwbvjvqdzswdthbjslqzgmtzfjfcrgbhrrjtzgljbqfrzzqszhddnmzpnbgnflghnflwdmjdhgpnvwvnltcngwggqdznrpdtwsrclwwlfzhnjtpqcgzjqjnhcwbhndwvgrczhzwfjrdvjztdbjshmhrrqctjwpcdnpnvrtggrmhzhdtlntjphcddplgfvvmjzcbbpjbqbjwmnwqgftbmchghwvrlptvnfbffvgtdbtnfzwdmdlgzjbrvffvbrfwgjzzpbpcdzhcjbhfwnmqqwvjvnpgdqdjsmwdmrgfqrwhhqqjpfmvlncfdjchrccwpbptccdchqwvbcqzlhbfgrdzgncbwrzqpfszrcwtmnvbztjlzjlrqqfrnplhnmdjljcpnqssthhmjqrrlwdvsjswdwtfstmbvwhbptjnphjmnllbwffppzmdpchbcwcmgqzfmdqvhcmrvtgtjwlzfpnjnjtfvdhtjlqsdjwrrnflnsqrtfsnbjfdllhqslltsjqzdfqthqjjgrtqjwmlqqlhvszqswmdcbnwqgshpvfjdtvsqjvcnrnvtpfsgqszhtmcdlsqjwmttcqsdlvssrgwhtmtqwmttptnmgzpwzzrbwtsrjhmjpblztgftppcwwrjppvwlvdhwwdlfcdvhwpvhqpwrqsczvlmtghrrvqbphljcmcrfmwltlmnzchzrlbgspdjwfbhrmnfhvjwlgtghcpbfgdvrmwbqbprfvwpzqzrgqbhjtztwhjcjtncmbgjphsgdfvjwjljlwzhsdldqtdvgtzpwtmrbnpvqrmfdwngzqtsdjjztslrwdnfwgbnsjblcjzvmgbqllmdvvvdcvplgbzmhcrpbbjbfzhjgfpmjtrpmgvshzvqhcbcjzfcsvqggjcllcnjlrwqfpzldswzjgzvqwvszhrntnvlcpdcfqhqrtmhbdjqpfblrsbrhdfdwfgbhsnnjpgjvfpssfmhdbdncfrqbzpbttrhfzqnrttltqbvmhglbdpwmdbmgwcdsdsflmcnphwvbbhgqpqmwbdsmqwhcdftdlcfnstlfnzzsjhqzlsdmhpvlcqvhhlpdtzlqzlvbbwhhdsqhntbtpjjvnjlrncfmvnqmzwpldgrbfcfgdtlmrfzcbqfhvhpmsrrlnqwfggwrjsmnpnqhvvcfsfspfrmhwmbpqfhprzsswrczttlczhcqvgqqsnbhhfszqbswgtcjgddhngtcvlwqqmqzntrcwgwjhmhlgclpgtmqnpgwwhnjfdvvjgmqjlzsmwztpsdzrjlshswzljlmdzfqmqbtgtzlsfwqvwrdchjvrdnwdbprfvdvczstvnzfzzfmzbwjhtflbmhlgmfzrdfrqwfbltwqlqrghlprppvlqwggvczdcnmrmblhcfmpzdmqppgwhbbrjlzsvmsfzlrdljftcrdfdgmvrccwszpjmvdnbmfdnsgmgzsdpbrlsqvsmcwwqlwtwbgfvwtsmpqlnhjchnzrpncgtcqgwqrmqmrwsbmdvqcpggpzcjgtrhvnbpprlwfnjlvrgrdjjvncjmmflrpczqnlbqczggssqfcjcrghqlsztpdjpbbfcdjzzdjbljlsczdmrgshdscvhnltrwchjcmjzmjbhldnqzwwpswsnsldcbdcdpdgpjgwrnfbcpjtvzlhvgggldcfqcwwppvltsvsmwzwdgmhnfggtgtwldmrglcvmstgmbgbjhwwhgdhfrbjlwfhjfppdmffblbbzrplhlhqlsrnsthvjtglqntzcncmvhqnlsvvrscrhlncgncjswfgcvgjlwsndzmsbhbdqsggdgrsfqtzwnjpsdlbsqjrrjwwlbptwqpfqwvpsrtrmstddzdbjjlwvfqcpfczpsnmcgbfpbwcpljdhrgsqftbnplccjphwsdbprqfqqfcvtcdznnhrbdqpccphvdgtspmzzdbnslnrvtfrtbhcfzfgmhrttmdpwftvccjbllhqgtmpgwvbdjgtvtfbfnnsfgzqjmrpbcmqhpfbstznbvgtbhnwbbnjfsthdgdrpfdtvrtmgbwzqqpnlltbshjvnhsmqhqwzgbsfqqccfznjtnnzdrgcvwnlffdgvvqzvwhwfswdmqlrsglntzsnwjzgrhhwzzshwsfmlmrbnmrqlptmjgmtqctrmddzghsgtrbbcsmhtcnrzwmvrjmrnmhbjmflrclvlbzwbgmtnmwqgfmbbnnrdvhqcflglvzbmjzjtvnmrbgghnccfrphjshsgtrhfmmghhpwgclfvzfbdccsfrlfwtsjjnhlndpwcjdtlllhcsvwrwsbppqwhfcvnsnrvthrsbgmgjhpmjdndmdqdgzfvbqfmgfjrnrjchstrjprfwfnjqblhjdgsstvtpcsvmpbhggnwzncpjdhrcllcghhprhwhfgsqpfzphrdlcbrccglsb
diff --git a/2022/inputs/day06-test1 b/2022/inputs/day06-test1
new file mode 100644
index 0000000..38510e7
--- /dev/null
+++ b/2022/inputs/day06-test1
@@ -0,0 +1 @@
+nznrnfrfntjfmvfwmzdfjlvtqnbhcprsg