diff --git a/2023/day10.py b/2023/day10.py
new file mode 100644
index 0000000..992bf35
--- /dev/null
+++ b/2023/day10.py
@@ -0,0 +1,13 @@
+import sys
+from collections import defaultdict
+from dataclasses import dataclass
+
+lines = sys.stdin.read().splitlines()
+
+# part 1
+answer_1 = ...
+print(f"answer 1 is {answer_1}")
+
+# part 2
+answer_2 = ...
+print(f"answer 2 is {answer_2}")
diff --git a/2023/day11.py b/2023/day11.py
new file mode 100644
index 0000000..992bf35
--- /dev/null
+++ b/2023/day11.py
@@ -0,0 +1,13 @@
+import sys
+from collections import defaultdict
+from dataclasses import dataclass
+
+lines = sys.stdin.read().splitlines()
+
+# part 1
+answer_1 = ...
+print(f"answer 1 is {answer_1}")
+
+# part 2
+answer_2 = ...
+print(f"answer 2 is {answer_2}")
diff --git a/2023/day12.py b/2023/day12.py
new file mode 100644
index 0000000..992bf35
--- /dev/null
+++ b/2023/day12.py
@@ -0,0 +1,13 @@
+import sys
+from collections import defaultdict
+from dataclasses import dataclass
+
+lines = sys.stdin.read().splitlines()
+
+# part 1
+answer_1 = ...
+print(f"answer 1 is {answer_1}")
+
+# part 2
+answer_2 = ...
+print(f"answer 2 is {answer_2}")
diff --git a/2023/day13.py b/2023/day13.py
new file mode 100644
index 0000000..992bf35
--- /dev/null
+++ b/2023/day13.py
@@ -0,0 +1,13 @@
+import sys
+from collections import defaultdict
+from dataclasses import dataclass
+
+lines = sys.stdin.read().splitlines()
+
+# part 1
+answer_1 = ...
+print(f"answer 1 is {answer_1}")
+
+# part 2
+answer_2 = ...
+print(f"answer 2 is {answer_2}")
diff --git a/2023/day14.py b/2023/day14.py
new file mode 100644
index 0000000..992bf35
--- /dev/null
+++ b/2023/day14.py
@@ -0,0 +1,13 @@
+import sys
+from collections import defaultdict
+from dataclasses import dataclass
+
+lines = sys.stdin.read().splitlines()
+
+# part 1
+answer_1 = ...
+print(f"answer 1 is {answer_1}")
+
+# part 2
+answer_2 = ...
+print(f"answer 2 is {answer_2}")
diff --git a/2023/day15.py b/2023/day15.py
new file mode 100644
index 0000000..992bf35
--- /dev/null
+++ b/2023/day15.py
@@ -0,0 +1,13 @@
+import sys
+from collections import defaultdict
+from dataclasses import dataclass
+
+lines = sys.stdin.read().splitlines()
+
+# part 1
+answer_1 = ...
+print(f"answer 1 is {answer_1}")
+
+# part 2
+answer_2 = ...
+print(f"answer 2 is {answer_2}")
diff --git a/2023/day16.py b/2023/day16.py
new file mode 100644
index 0000000..992bf35
--- /dev/null
+++ b/2023/day16.py
@@ -0,0 +1,13 @@
+import sys
+from collections import defaultdict
+from dataclasses import dataclass
+
+lines = sys.stdin.read().splitlines()
+
+# part 1
+answer_1 = ...
+print(f"answer 1 is {answer_1}")
+
+# part 2
+answer_2 = ...
+print(f"answer 2 is {answer_2}")
diff --git a/2023/day17.py b/2023/day17.py
new file mode 100644
index 0000000..992bf35
--- /dev/null
+++ b/2023/day17.py
@@ -0,0 +1,13 @@
+import sys
+from collections import defaultdict
+from dataclasses import dataclass
+
+lines = sys.stdin.read().splitlines()
+
+# part 1
+answer_1 = ...
+print(f"answer 1 is {answer_1}")
+
+# part 2
+answer_2 = ...
+print(f"answer 2 is {answer_2}")
diff --git a/2023/day18.py b/2023/day18.py
new file mode 100644
index 0000000..992bf35
--- /dev/null
+++ b/2023/day18.py
@@ -0,0 +1,13 @@
+import sys
+from collections import defaultdict
+from dataclasses import dataclass
+
+lines = sys.stdin.read().splitlines()
+
+# part 1
+answer_1 = ...
+print(f"answer 1 is {answer_1}")
+
+# part 2
+answer_2 = ...
+print(f"answer 2 is {answer_2}")
diff --git a/2023/day19.py b/2023/day19.py
new file mode 100644
index 0000000..992bf35
--- /dev/null
+++ b/2023/day19.py
@@ -0,0 +1,13 @@
+import sys
+from collections import defaultdict
+from dataclasses import dataclass
+
+lines = sys.stdin.read().splitlines()
+
+# part 1
+answer_1 = ...
+print(f"answer 1 is {answer_1}")
+
+# part 2
+answer_2 = ...
+print(f"answer 2 is {answer_2}")
diff --git a/2023/day20.py b/2023/day20.py
new file mode 100644
index 0000000..992bf35
--- /dev/null
+++ b/2023/day20.py
@@ -0,0 +1,13 @@
+import sys
+from collections import defaultdict
+from dataclasses import dataclass
+
+lines = sys.stdin.read().splitlines()
+
+# part 1
+answer_1 = ...
+print(f"answer 1 is {answer_1}")
+
+# part 2
+answer_2 = ...
+print(f"answer 2 is {answer_2}")
diff --git a/2023/day21.py b/2023/day21.py
new file mode 100644
index 0000000..992bf35
--- /dev/null
+++ b/2023/day21.py
@@ -0,0 +1,13 @@
+import sys
+from collections import defaultdict
+from dataclasses import dataclass
+
+lines = sys.stdin.read().splitlines()
+
+# part 1
+answer_1 = ...
+print(f"answer 1 is {answer_1}")
+
+# part 2
+answer_2 = ...
+print(f"answer 2 is {answer_2}")
diff --git a/2023/day22.py b/2023/day22.py
new file mode 100644
index 0000000..992bf35
--- /dev/null
+++ b/2023/day22.py
@@ -0,0 +1,13 @@
+import sys
+from collections import defaultdict
+from dataclasses import dataclass
+
+lines = sys.stdin.read().splitlines()
+
+# part 1
+answer_1 = ...
+print(f"answer 1 is {answer_1}")
+
+# part 2
+answer_2 = ...
+print(f"answer 2 is {answer_2}")
diff --git a/2023/day23.py b/2023/day23.py
new file mode 100644
index 0000000..992bf35
--- /dev/null
+++ b/2023/day23.py
@@ -0,0 +1,13 @@
+import sys
+from collections import defaultdict
+from dataclasses import dataclass
+
+lines = sys.stdin.read().splitlines()
+
+# part 1
+answer_1 = ...
+print(f"answer 1 is {answer_1}")
+
+# part 2
+answer_2 = ...
+print(f"answer 2 is {answer_2}")
diff --git a/2023/day24.py b/2023/day24.py
new file mode 100644
index 0000000..992bf35
--- /dev/null
+++ b/2023/day24.py
@@ -0,0 +1,13 @@
+import sys
+from collections import defaultdict
+from dataclasses import dataclass
+
+lines = sys.stdin.read().splitlines()
+
+# part 1
+answer_1 = ...
+print(f"answer 1 is {answer_1}")
+
+# part 2
+answer_2 = ...
+print(f"answer 2 is {answer_2}")
diff --git a/2023/day25.py b/2023/day25.py
new file mode 100644
index 0000000..992bf35
--- /dev/null
+++ b/2023/day25.py
@@ -0,0 +1,13 @@
+import sys
+from collections import defaultdict
+from dataclasses import dataclass
+
+lines = sys.stdin.read().splitlines()
+
+# part 1
+answer_1 = ...
+print(f"answer 1 is {answer_1}")
+
+# part 2
+answer_2 = ...
+print(f"answer 2 is {answer_2}")
diff --git a/2023/day5.py b/2023/day5.py
new file mode 100644
index 0000000..992bf35
--- /dev/null
+++ b/2023/day5.py
@@ -0,0 +1,13 @@
+import sys
+from collections import defaultdict
+from dataclasses import dataclass
+
+lines = sys.stdin.read().splitlines()
+
+# part 1
+answer_1 = ...
+print(f"answer 1 is {answer_1}")
+
+# part 2
+answer_2 = ...
+print(f"answer 2 is {answer_2}")
diff --git a/2023/day6.py b/2023/day6.py
new file mode 100644
index 0000000..992bf35
--- /dev/null
+++ b/2023/day6.py
@@ -0,0 +1,13 @@
+import sys
+from collections import defaultdict
+from dataclasses import dataclass
+
+lines = sys.stdin.read().splitlines()
+
+# part 1
+answer_1 = ...
+print(f"answer 1 is {answer_1}")
+
+# part 2
+answer_2 = ...
+print(f"answer 2 is {answer_2}")
diff --git a/2023/day7.py b/2023/day7.py
new file mode 100644
index 0000000..992bf35
--- /dev/null
+++ b/2023/day7.py
@@ -0,0 +1,13 @@
+import sys
+from collections import defaultdict
+from dataclasses import dataclass
+
+lines = sys.stdin.read().splitlines()
+
+# part 1
+answer_1 = ...
+print(f"answer 1 is {answer_1}")
+
+# part 2
+answer_2 = ...
+print(f"answer 2 is {answer_2}")
diff --git a/2023/day8.py b/2023/day8.py
new file mode 100644
index 0000000..992bf35
--- /dev/null
+++ b/2023/day8.py
@@ -0,0 +1,13 @@
+import sys
+from collections import defaultdict
+from dataclasses import dataclass
+
+lines = sys.stdin.read().splitlines()
+
+# part 1
+answer_1 = ...
+print(f"answer 1 is {answer_1}")
+
+# part 2
+answer_2 = ...
+print(f"answer 2 is {answer_2}")
diff --git a/2023/day9.py b/2023/day9.py
new file mode 100644
index 0000000..992bf35
--- /dev/null
+++ b/2023/day9.py
@@ -0,0 +1,13 @@
+import sys
+from collections import defaultdict
+from dataclasses import dataclass
+
+lines = sys.stdin.read().splitlines()
+
+# part 1
+answer_1 = ...
+print(f"answer 1 is {answer_1}")
+
+# part 2
+answer_2 = ...
+print(f"answer 2 is {answer_2}")
diff --git a/2023/inputs/day10.txt b/2023/inputs/day10.txt
new file mode 100644
index 0000000..e69de29
diff --git a/2023/inputs/day11.txt b/2023/inputs/day11.txt
new file mode 100644
index 0000000..e69de29
diff --git a/2023/inputs/day12.txt b/2023/inputs/day12.txt
new file mode 100644
index 0000000..e69de29
diff --git a/2023/inputs/day13.txt b/2023/inputs/day13.txt
new file mode 100644
index 0000000..e69de29
diff --git a/2023/inputs/day14.txt b/2023/inputs/day14.txt
new file mode 100644
index 0000000..e69de29
diff --git a/2023/inputs/day15.txt b/2023/inputs/day15.txt
new file mode 100644
index 0000000..e69de29
diff --git a/2023/inputs/day16.txt b/2023/inputs/day16.txt
new file mode 100644
index 0000000..e69de29
diff --git a/2023/inputs/day17.txt b/2023/inputs/day17.txt
new file mode 100644
index 0000000..e69de29
diff --git a/2023/inputs/day18.txt b/2023/inputs/day18.txt
new file mode 100644
index 0000000..e69de29
diff --git a/2023/inputs/day19.txt b/2023/inputs/day19.txt
new file mode 100644
index 0000000..e69de29
diff --git a/2023/inputs/day20.txt b/2023/inputs/day20.txt
new file mode 100644
index 0000000..e69de29
diff --git a/2023/inputs/day21.txt b/2023/inputs/day21.txt
new file mode 100644
index 0000000..e69de29
diff --git a/2023/inputs/day22.txt b/2023/inputs/day22.txt
new file mode 100644
index 0000000..e69de29
diff --git a/2023/inputs/day23.txt b/2023/inputs/day23.txt
new file mode 100644
index 0000000..e69de29
diff --git a/2023/inputs/day24.txt b/2023/inputs/day24.txt
new file mode 100644
index 0000000..e69de29
diff --git a/2023/inputs/day25.txt b/2023/inputs/day25.txt
new file mode 100644
index 0000000..e69de29
diff --git a/2023/inputs/day6.txt b/2023/inputs/day6.txt
new file mode 100644
index 0000000..e69de29
diff --git a/2023/inputs/day7.txt b/2023/inputs/day7.txt
new file mode 100644
index 0000000..e69de29
diff --git a/2023/inputs/day8.txt b/2023/inputs/day8.txt
new file mode 100644
index 0000000..e69de29
diff --git a/2023/inputs/day9.txt b/2023/inputs/day9.txt
new file mode 100644
index 0000000..e69de29
diff --git a/2023/tests/day10.txt b/2023/tests/day10.txt
new file mode 100644
index 0000000..e69de29
diff --git a/2023/tests/day11.txt b/2023/tests/day11.txt
new file mode 100644
index 0000000..e69de29
diff --git a/2023/tests/day12.txt b/2023/tests/day12.txt
new file mode 100644
index 0000000..e69de29
diff --git a/2023/tests/day13.txt b/2023/tests/day13.txt
new file mode 100644
index 0000000..e69de29
diff --git a/2023/tests/day14.txt b/2023/tests/day14.txt
new file mode 100644
index 0000000..e69de29
diff --git a/2023/tests/day15.txt b/2023/tests/day15.txt
new file mode 100644
index 0000000..e69de29
diff --git a/2023/tests/day16.txt b/2023/tests/day16.txt
new file mode 100644
index 0000000..e69de29
diff --git a/2023/tests/day17.txt b/2023/tests/day17.txt
new file mode 100644
index 0000000..e69de29
diff --git a/2023/tests/day18.txt b/2023/tests/day18.txt
new file mode 100644
index 0000000..e69de29
diff --git a/2023/tests/day19.txt b/2023/tests/day19.txt
new file mode 100644
index 0000000..e69de29
diff --git a/2023/tests/day20.txt b/2023/tests/day20.txt
new file mode 100644
index 0000000..e69de29
diff --git a/2023/tests/day21.txt b/2023/tests/day21.txt
new file mode 100644
index 0000000..e69de29
diff --git a/2023/tests/day22.txt b/2023/tests/day22.txt
new file mode 100644
index 0000000..e69de29
diff --git a/2023/tests/day23.txt b/2023/tests/day23.txt
new file mode 100644
index 0000000..e69de29
diff --git a/2023/tests/day24.txt b/2023/tests/day24.txt
new file mode 100644
index 0000000..e69de29
diff --git a/2023/tests/day25.txt b/2023/tests/day25.txt
new file mode 100644
index 0000000..e69de29
diff --git a/2023/tests/day6.txt b/2023/tests/day6.txt
new file mode 100644
index 0000000..e69de29
diff --git a/2023/tests/day7.txt b/2023/tests/day7.txt
new file mode 100644
index 0000000..e69de29
diff --git a/2023/tests/day8.txt b/2023/tests/day8.txt
new file mode 100644
index 0000000..e69de29
diff --git a/2023/tests/day9.txt b/2023/tests/day9.txt
new file mode 100644
index 0000000..e69de29