diff --git a/AOC/data/day_20/dataset.txt b/AOC/data/day_20/dataset.txt
new file mode 100644
index 0000000..a0dbe73
--- /dev/null
+++ b/AOC/data/day_20/dataset.txt
@@ -0,0 +1,141 @@
+#############################################################################################################################################
+#...#...#...###.....#.......#...###.....#.....###...###.........#...#...###...#...#.......###.....###.......###...#...#.......#.........#...#
+#.#.#.#.#.#.###.###.#.#####.#.#.###.###.#.###.###.#.###.#######.#.#.#.#.###.#.#.#.#.#####.###.###.###.#####.###.#.#.#.#.#####.#.#######.#.#.#
+#.#...#...#.....#...#.....#...#.#...#...#...#.#...#...#.#...#...#.#.#.#...#.#.#.#.#.....#...#...#.#...#.....#...#...#...#.....#.#.......#.#.#
+#.###############.#######.#####.#.###.#####.#.#.#####.#.#.#.#.###.#.#.###.#.#.#.#.#####.###.###.#.#.###.#####.###########.#####.#.#######.#.#
+#.............#...#...#...#...#.#...#.#...#.#...#.....#...#.#.....#.#...#.#.#...#.#...#.#...#...#...#...#...#...#.........#.....#.#...#...#.#
+#############.#.###.#.#.###.#.#.###.#.#.#.#.#####.#########.#######.###.#.#.#####.#.#.#.#.###.#######.###.#.###.#.#########.#####.#.#.#.###.#
+#.......#.....#.###.#.#...#.#...#...#...#...#.....#.....#...#...#...#...#.#...#...#.#.#.#...#...#...#...#.#...#.#.#...#...#.#.....#.#.#...#.#
+#.#####.#.#####.###.#.###.#.#####.###########.#####.###.#.###.#.#.###.###.###.#.###.#.#.###.###.#.#.###.#.###.#.#.#.#.#.#.#.#.#####.#.###.#.#
+#.....#.#.....#.#...#...#.#.....#.#.........#.#...#...#...#...#...###...#.###.#.....#.#.#...###...#...#.#...#.#.#...#...#.#.#...###.#.#...#.#
+#####.#.#####.#.#.#####.#.#####.#.#.#######.#.#.#.###.#####.###########.#.###.#######.#.#.###########.#.###.#.#.#########.#.###.###.#.#.###.#
+#...#.#.#.....#...#...#.#.#.....#.#.###.....#...#.#...#...#.#...#...#...#...#.#.......#.#.#...###...#.#.#...#.#.#.........#.#...#...#...#...#
+#.#.#.#.#.#########.#.#.#.#.#####.#.###.#########.#.###.#.#.#.#.#.#.#.#####.#.#.#######.#.#.#.###.#.#.#.#.###.#.#.#########.#.###.#######.###
+#.#.#.#.#.....#.....#.#.#.#.#...#...#...#...#.....#.#...#...#.#.#.#.#.....#...#...###...#.#.#.#...#.#.#.#...#.#.#.#.....#...#.....#.......###
+#.#.#.#.#####.#.#####.#.#.#.#.#.#####.###.#.#.#####.#.#######.#.#.#.#####.#######.###.###.#.#.#.###.#.#.###.#.#.#.#.###.#.#########.#########
+#.#.#.#.###...#.#.....#...#...#...###.....#.#.#...#.#.###...#.#...#.#...#.......#.....#...#.#.#.#...#.#...#.#.#.#.#.#...#...#.......#...#...#
+#.#.#.#.###.###.#.###############.#########.#.#.#.#.#.###.#.#.#####.#.#.#######.#######.###.#.#.#.###.###.#.#.#.#.#.#.#####.#.#######.#.#.#.#
+#.#...#.....#...#.........#...#...#...#.....#...#...#...#.#.#.....#.#.#.......#...#.....###.#.#.#...#...#.#.#.#.#...#.......#.........#...#.#
+#.###########.###########.#.#.#.###.#.#.###############.#.#.#####.#.#.#######.###.#.#######.#.#.###.###.#.#.#.#.###########################.#
+#.......#...#.#.....#...#.#.#...###.#.#.......#.....#...#.#...#...#.#.......#...#.#...#...#.#...#...#...#.#.#.#.#.....#.......#.....#.....#.#
+#######.#.#.#.#.###.#.#.#.#.#######.#.#######.#.###.#.###.###.#.###.#######.###.#.###.#.#.#.#####.###.###.#.#.#.#.###.#.#####.#.###.#.###.#.#
+#...###...#...#...#.#.#...#...#...#.#.###...#.#.###...#...#...#.#...###...#.#...#...#...#.#.....#...#.#...#.#.#.#...#...#...#...###.#...#...#
+#.#.#############.#.#.#######.#.#.#.#.###.#.#.#.#######.###.###.#.#####.#.#.#.#####.#####.#####.###.#.#.###.#.#.###.#####.#.#######.###.#####
+#.#.....#.........#.#.......#.#.#.#.#...#.#.#.#.......#.#...###.#...#...#...#.#####...#...#...#...#.#.#...#.#.#.#...###...#...#...#.....#...#
+#.#####.#.#########.#######.#.#.#.#.###.#.#.#.#######.#.#.#####.###.#.#######.#######.#.###.#.###.#.#.###.#.#.#.#.#####.#####.#.#.#######.#.#
+#.#.....#.....#...#.....#...#.#.#.#...#.#.#.#.#.......#.#.###...#...#.......#...#.....#...#.#...#.#.#...#.#.#.#.#.......#...#...#.#...#...#.#
+#.#.#########.#.#.#####.#.###.#.#.###.#.#.#.#.#.#######.#.###.###.#########.###.#.#######.#.###.#.#.###.#.#.#.#.#########.#.#####.#.#.#.###.#
+#.#.....#...#...#.....#.#...#.#.#.#...#.#.#.#.#.....#...#...#.#...#...#...#...#.#.#...#...#...#.#.#.....#...#...#.........#.....#.#.#.#.#...#
+#.#####.#.#.#########.#.###.#.#.#.#.###.#.#.#.#####.#.#####.#.#.###.#.#.#.###.#.#.#.#.#.#####.#.#.###############.#############.#.#.#.#.#.###
+#.#.....#.#.#.....#...#.....#...#.#.#...#.#.#.#.....#.....#.#.#.#...#.#.#.....#.#...#.#...#...#.#.......#.....#...###...#...###...#.#.#.#...#
+#.#.#####.#.#.###.#.#############.#.#.###.#.#.#.#########.#.#.#.#.###.#.#######.#####.###.#.###.#######.#.###.#.#####.#.#.#.#######.#.#.###.#
+#.#.###...#.#...#.#.............#...#...#.#.#.#.#.....#...#...#.#.#...#.#.......#...#.#...#...#.#.......#...#...###...#...#.........#...#...#
+#.#.###.###.###.#.#############.#######.#.#.#.#.#.###.#.#######.#.#.###.#.#######.#.#.#.#####.#.#.#########.#######.#####################.###
+#.#...#.#...#...#.......###.....#...#...#.#.#.#.#.#...#...#.....#.#.###.#.#...###.#.#.#.#...#.#.#.......#...###...#.#...............#...#...#
+#.###.#.#.###.#########.###.#####.#.#.###.#.#.#.#.#.#####.#.#####.#.###.#.#.#.###.#.#.#.#.#.#.#.#######.#.#####.#.#.#.#############.#.#.###.#
+#...#...#.....#...#...#...#.......#.#.#...#.#.#.#.#.....#.#...#...#...#.#.#.#.#...#.#.#.#.#.#.#.#...#...#.#...#.#...#.....#.....###.#.#.....#
+###.###########.#.#.#.###.#########.#.#.###.#.#.#.#####.#.###.#.#####.#.#.#.#.#.###.#.#.#.#.#.#.#.#.#.###.#.#.#.#########.#.###.###.#.#######
+###...#...#.....#...#...#...........#.#...#.#.#...#.....#.#...#.#...#.#.#...#.#...#.#.#.#.#...#.#.#.#.#...#.#.#.#.....#...#...#...#...#...###
+#####.#.#.#.###########.#############.###.#.#.#####.#####.#.###.#.#.#.#.#####.###.#.#.#.#.#####.#.#.#.#.###.#.#.#.###.#.#####.###.#####.#.###
+#...#...#.#.#...........#...#.......#...#.#.#.....#.#...#.#.#...#.#...#.....#.#...#.#.#.#...###...#.#.#.....#...#...#...#...#.#...#...#.#...#
+#.#.#####.#.#.###########.#.#.#####.###.#.#.#####.#.#.#.#.#.#.###.#########.#.#.###.#.#.###.#######.#.#############.#####.#.#.#.###.#.#.###.#
+#.#.......#.#.....#...#...#...#.....#...#.#.#...#.#.#.#.#.#.#...#.#...#.....#...#...#.#...#...#.....#.#.........#...#...#.#.#.#.#...#.#.#...#
+#.#########.#####.#.#.#.#######.#####.###.#.#.#.#.#.#.#.#.#.###.#.#.#.#.#########.###.###.###.#.#####.#.#######.#.###.#.#.#.#.#.#.###.#.#.###
+#.........#.....#...#.#.#.....#.....#.....#...#...#...#.#.#.#...#.#.#.#.........#...#.#...#...#.#...#.#.......#...#...#...#.#.#.#...#...#...#
+#########.#####.#####.#.#.###.#####.###################.#.#.#.###.#.#.#########.###.#.#.###.###.#.#.#.#######.#####.#######.#.#.###.#######.#
+#.....#...#.....#...#...#...#.#.....#...#...#...#...###...#.#...#...#.#...#.....###...#.#...#...#.#...###.....#...#.#.......#.#...#.#.......#
+#.###.#.###.#####.#.#######.#.#.#####.#.#.#.#.#.#.#.#######.###.#####.#.#.#.###########.#.###.###.#######.#####.#.#.#.#######.###.#.#.#######
+#...#.#.....###...#.###...#.#...#...#.#...#.#.#.#.#.#.....#...#...#...#.#.#.......#.....#...#.....#.....#.......#...#.....#...#...#.#.#.....#
+###.#.#########.###.###.#.#.#####.#.#.#####.#.#.#.#.#.###.###.###.#.###.#.#######.#.#######.#######.###.#################.#.###.###.#.#.###.#
+#...#.........#...#.#...#...#...#.#...#...#.#.#.#.#...#...###.....#.#...#.#.......#...#...#.###...#...#.#.................#...#.#...#...#...#
+#.###########.###.#.#.#######.#.#.#####.#.#.#.#.#.#####.###########.#.###.#.#########.#.#.#.###.#.###.#.#.###################.#.#.#######.###
+#.#.....#...#.....#...#.......#...#...#.#...#.#...#...#.......###...#...#.#.....#...#.#.#...#...#.....#...#...#.......###...#.#.#.#...#...###
+#.#.###.#.#.###########.###########.#.#.#####.#####.#.#######.###.#####.#.#####.#.#.#.#.#####.#############.#.#.#####.###.#.#.#.#.#.#.#.#####
+#.#.###...#.......#...#.#...........#.#.#...#.#.....#...#...#...#.....#.#.#...#...#.#...#...#.....#.........#...#...#.....#...#...#.#...#...#
+#.#.#############.#.#.#.#.###########.#.#.#.#.#.#######.#.#.###.#####.#.#.#.#.#####.#####.#.#####.#.#############.#.###############.#####.#.#
+#...#.......#.....#.#...#...........#...#.#.#.#.###...#...#.....###...#.#.#.#.#...#.#.....#.......#.#.............#.#.......#.....#...###.#.#
+#####.#####.#.#####.###############.#####.#.#.#.###.#.#############.###.#.#.#.#.#.#.#.#############.#.#############.#.#####.#.###.###.###.#.#
+#...#.....#.#.......###...#.........#...#.#...#...#.#.............#...#.#.#.#...#...#...#.....#...#.#.............#.#.....#.#...#...#...#.#.#
+#.#.#####.#.###########.#.#.#########.#.#.#######.#.#############.###.#.#.#.###########.#.###.#.#.#.#############.#.#####.#.###.###.###.#.#.#
+#.#.......#...#...#...#.#.#...........#...#######...#.............###...#...#...#...###...###...#...#...#.........#...#...#.#...#...#...#.#.#
+#.###########.#.#.#.#.#.#.###########################.#######################.#.#.#.#################.#.#.###########.#.###.#.###.###.###.#.#
+#...........#...#.#.#...#.........#E#############...#...............#.........#.#.#.#...#...#...#...#.#...###...#...#.#...#.#...#...#.....#.#
+###########.#####.#.#############.#.#############.#.###############.#.#########.#.#.#.#.#.#.#.#.#.#.#.#######.#.#.#.#.###.#.###.###.#######.#
+###...#...#.....#...#.....#.....#...#############.#.#...#...........#.#...#...#.#.#.#.#.#.#...#...#...#.......#...#.#.#...#...#...#...#.....#
+###.#.#.#.#####.#####.###.#.###.#################.#.#.#.#.###########.#.#.#.#.#.#.#.#.#.#.#############.###########.#.#.#####.###.###.#.#####
+#...#...#.......#...#...#.#...#.......###########.#...#.#...........#.#.#.#.#.#...#...#...#...#...#.....#...#.......#...###...#...#...#.....#
+#.###############.#.###.#.###.#######.###########.#####.###########.#.#.#.#.#.#############.#.#.#.#.#####.#.#.#############.###.###.#######.#
+#.............#...#...#.#...#.#...#...###########.....#.#.....#.....#...#...#.#...#.......#.#...#...###...#.#.............#.....###.....#...#
+#############.#.#####.#.###.#.#.#.#.#################.#.#.###.#.#############.#.#.#.#####.#.###########.###.#############.#############.#.###
+#...........#.#.#.....#.###...#.#...#...###########...#.#...#.#...#...#...###...#...#.....#.#.........#...#.#.............#...........#.#...#
+#.#########.#.#.#.#####.#######.#####.#.###########.###.###.#.###.#.#.#.#.###########.#####.#.#######.###.#.#.#############.#########.#.###.#
+#.........#.#.#.#.#...#.....#...#.....#.......#####...#.....#.#...#.#.#.#...#.....#...#...#.#...#...#.....#...###...#...###...#...#...#.....#
+#########.#.#.#.#.#.#.#####.#.###.###########.#######.#######.#.###.#.#.###.#.###.#.###.#.#.###.#.#.#############.#.#.#.#####.#.#.#.#########
+#...#...#.#...#.#.#.#.#.....#.....#...#.......#####S#.....#...#.#...#.#...#.#...#.#.#...#...###...#...............#...#...###.#.#...#.......#
+#.#.#.#.#.#####.#.#.#.#.###########.#.#.###########.#####.#.###.#.###.###.#.###.#.#.#.###################################.###.#.#####.#####.#
+#.#...#.#.......#.#.#.#...#.........#...#...###...#.#.....#.....#...#.###.#...#.#.#...#.............#...................#.....#...#...#...#.#
+#.#####.#########.#.#.###.#.#############.#.###.#.#.#.#############.#.###.###.#.#.#####.###########.#.#################.#########.#.###.#.#.#
+#.#...#...###...#...#.....#...............#.....#.#...#.....###...#.#...#...#...#.......#...#.....#.#...........#.....#.#.......#...#...#.#.#
+#.#.#.###.###.#.#################################.#####.###.###.#.#.###.###.#############.#.#.###.#.###########.#.###.#.#.#####.#####.###.#.#
+#.#.#...#.#...#...#...#.........................#.......#...#...#...#...###.....#...#...#.#.#.#...#.....#.....#...#...#.#.....#.#.....###.#.#
+#.#.###.#.#.#####.#.#.#.#######################.#########.###.#######.#########.#.#.#.#.#.#.#.#.#######.#.###.#####.###.#####.#.#.#######.#.#
+#.#.#...#.#.....#.#.#.#...............#.......#.#...#.....###.#...#...#.....###...#.#.#.#.#.#.#.......#...#...#.....###...#...#.#.......#...#
+#.#.#.###.#####.#.#.#.###############.#.#####.#.#.#.#.#######.#.#.#.###.###.#######.#.#.#.#.#.#######.#####.###.#########.#.###.#######.#####
+#...#...#.....#.#.#.#.#...#...........#.#.....#...#...#.....#...#.#...#.#...#.....#...#...#...#...#...#...#.....#...#...#...###.#.....#...###
+#######.#####.#.#.#.#.#.#.#.###########.#.#############.###.#####.###.#.#.###.###.#############.#.#.###.#.#######.#.#.#.#######.#.###.###.###
+#.....#.....#.#.#.#.#.#.#.#...........#.#.#...#...#.....#...#...#.#...#.#...#.#...#...#...#...#.#.#.....#.........#...#.......#.#...#...#...#
+#.###.#####.#.#.#.#.#.#.#.###########.#.#.#.#.#.#.#.#####.###.#.#.#.###.###.#.#.###.#.#.#.#.#.#.#.###########################.#.###.###.###.#
+#...#.......#...#...#...#.............#.#.#.#...#.#...#...###.#...#.....#...#.#.#...#...#.#.#.#.#.#...#.....#...........#.....#...#...#.#...#
+###.###################################.#.#.#####.###.#.#####.###########.###.#.#.#######.#.#.#.#.#.#.#.###.#.#########.#.#######.###.#.#.###
+###.........#.........#.................#...#...#.#...#.....#.......#...#...#.#.#.#.....#...#.#.#.#.#.#...#.#.........#.#.......#...#.#.#...#
+###########.#.#######.#.#####################.#.#.#.#######.#######.#.#.###.#.#.#.#.###.#####.#.#.#.#.###.#.#########.#.#######.###.#.#.###.#
+#.....#...#...#.....#...#...###...#...#...#...#...#.....#...#.....#...#.#...#.#.#...###.....#.#.#...#.....#...........#.......#...#...#.....#
+#.###.#.#.#####.###.#####.#.###.#.#.#.#.#.#.###########.#.###.###.#####.#.###.#.###########.#.#.#############################.###.###########
+#...#.#.#.#...#...#.###...#.....#.#.#...#...###...###...#...#...#.#...#.#...#.#.#.....#.....#.#...........................###.....#.......###
+###.#.#.#.#.#.###.#.###.#########.#.###########.#.###.#####.###.#.#.#.#.###.#.#.#.###.#.#####.###########################.#########.#####.###
+#...#...#...#.....#.#...#.......#.#...#...#.....#...#...#...#...#...#.#.#...#.#.#.#...#.....#...............#...........#...........#...#...#
+#.#################.#.###.#####.#.###.#.#.#.#######.###.#.###.#######.#.#.###.#.#.#.#######.###############.#.#########.#############.#.###.#
+#.................#.#.....#.....#.....#.#...#.......#...#...#.......#...#...#.#...#.#...###.......#.......#...#.......#...............#.....#
+#################.#.#######.###########.#####.#######.#####.#######.#######.#.#####.#.#.#########.#.#####.#####.#####.#######################
+###...#...###...#.#.....###...........#.#.....###...#...#...#.....#...#.....#...#...#.#.#...#...#...#...#.......#...#.......#...#...#...#...#
+###.#.#.#.###.#.#.#####.#############.#.#.#######.#.###.#.###.###.###.#.#######.#.###.#.#.#.#.#.#####.#.#########.#.#######.#.#.#.#.#.#.#.#.#
+#...#...#.....#...#...#...............#.#...#...#.#.#...#.#...#...###.#...#...#.#...#.#.#.#...#.#.....#.#.......#.#.......#...#...#...#...#.#
+#.#################.#.#################.###.#.#.#.#.#.###.#.###.#####.###.#.#.#.###.#.#.#.#####.#.#####.#.#####.#.#######.#################.#
+#.#.....#...#...#...#...#...#...#...###...#.#.#.#.#.#.#...#...#.#...#.#...#.#.#.#...#.#.#.#.....#.....#.#.....#.#.......#.#...............#.#
+#.#.###.#.#.#.#.#.#####.#.#.#.#.#.#.#####.#.#.#.#.#.#.#.#####.#.#.#.#.#.###.#.#.#.###.#.#.#.#########.#.#####.#.#######.#.#.#############.#.#
+#...###...#...#.#.#...#.#.#...#.#.#...#...#.#.#.#.#.#.#.#.....#.#.#.#.#...#.#.#.#...#.#...#...#...#...#.#...#.#.#...#...#.#...#.......#...#.#
+###############.#.#.#.#.#.#####.#.###.#.###.#.#.#.#.#.#.#.#####.#.#.#.###.#.#.#.###.#.#######.#.#.#.###.#.#.#.#.#.#.#.###.###.#.#####.#.###.#
+###...#...#.....#.#.#.#.#...#...#.#...#.#...#.#.#.#...#.#...###.#.#.#...#.#.#...#...#...#.....#.#.#.###...#...#...#.#.###...#...#.....#.....#
+###.#.#.#.#.#####.#.#.#.###.#.###.#.###.#.###.#.#.#####.###.###.#.#.###.#.#.#####.#####.#.#####.#.#.###############.#.#####.#####.###########
+#...#...#...#.....#.#...#...#...#.#...#.#.#...#.#.....#...#...#.#.#...#.#.#.....#.#.....#.#...#.#.#...............#.#...#...#...#...........#
+#.###########.#####.#####.#####.#.###.#.#.#.###.#####.###.###.#.#.###.#.#.#####.#.#.#####.#.#.#.#.###############.#.###.#.###.#.###########.#
+#.#...#.......###...#...#...#...#...#.#.#.#...#.#...#.#...#...#.#.#...#.#.#.....#.#...#...#.#.#.#.#...#.......#...#.....#...#.#.#.......#...#
+#.#.#.#.#########.###.#.###.#.#####.#.#.#.###.#.#.#.#.#.###.###.#.#.###.#.#.#####.###.#.###.#.#.#.#.#.#.#####.#.###########.#.#.#.#####.#.###
+#.#.#.#.#.........#...#...#.#...#...#...#.....#...#.#.#.#...#...#.#.....#...#.....#...#.#...#...#.#.#.#.....#.#.......#...#.#.#...#...#...###
+#.#.#.#.#.#########.#####.#.###.#.#################.#.#.#.###.###.###########.#####.###.#.#######.#.#.#####.#.#######.#.#.#.#.#####.#.#######
+#.#.#...#.......#...#.....#.#...#.#...#.............#.#.#...#...#.........#...#...#.###.#.#.....#.#.#.......#.......#.#.#...#.......#.......#
+#.#.###########.#.###.#####.#.###.#.#.#.#############.#.###.###.#########.#.###.#.#.###.#.#.###.#.#.###############.#.#.###################.#
+#...#...........#...#.#...#.#...#.#.#...#...#...#...#.#.....#...#.....#...#.#...#.#...#.#.#...#...#.#...#.........#...#...#.....#...#...#...#
+#####.#############.#.#.#.#.###.#.#.#####.#.#.#.#.#.#.#######.###.###.#.###.#.###.###.#.#.###.#####.#.#.#.#######.#######.#.###.#.#.#.#.#.###
+#.....#.....#...#...#.#.#...###.#.#.#.....#.#.#...#.#.......#...#...#.#...#.#.#...#...#...#...#...#...#...#.......#.....#.#.#...#.#...#.#...#
+#.#####.###.#.#.#.###.#.#######.#.#.#.#####.#.#####.#######.###.###.#.###.#.#.#.###.#######.###.#.#########.#######.###.#.#.#.###.#####.###.#
+#.#...#.###...#.#...#.#.#.......#.#...#.....#.#.....#.....#...#...#.#.#...#...#...#.......#...#.#.#...#...#.........#...#.#.#...#.....#...#.#
+#.#.#.#.#######.###.#.#.#.#######.#####.#####.#.#####.###.###.###.#.#.#.#########.#######.###.#.#.#.#.#.#.###########.###.#.###.#####.###.#.#
+#...#...#...#...#...#...#...#...#.###...#...#.#.....#...#.#...#...#.#.#.#...#.....#...#...#...#.#.#.#.#.#...#.......#...#...###...#...###...#
+#########.#.#.###.#########.#.#.#.###.###.#.#.#####.###.#.#.###.###.#.#.#.#.#.#####.#.#.###.###.#.#.#.#.###.#.#####.###.#########.#.#########
+#.........#...#...#.......#...#.#.#...#...#...###...#...#.#...#...#.#.#.#.#.#.#...#.#.#...#...#.#.#.#.#...#.#.....#...#.....#.....#.........#
+#.#############.###.#####.#####.#.#.###.#########.###.###.###.###.#.#.#.#.#.#.#.#.#.#.###.###.#.#.#.#.###.#.#####.###.#####.#.#############.#
+#...........#...###.....#.......#.#...#...#.......#...###.#...###...#.#...#.#...#...#.#...#...#.#.#.#.#...#.#...#...#.#.....#.#...#.....#...#
+###########.#.#########.#########.###.###.#.#######.#####.#.#########.#####.#########.#.###.###.#.#.#.#.###.#.#.###.#.#.#####.#.#.#.###.#.###
+#...#.......#.......###.......#...###.#...#.....#...#...#...###.......#...#.......###...###...#.#...#.#...#...#.#...#.#.....#...#.#.###.#...#
+#.#.#.#############.#########.#.#####.#.#######.#.###.#.#######.#######.#.#######.###########.#.#####.###.#####.#.###.#####.#####.#.###.###.#
+#.#.#.....#...#.....#.........#.###...#...#.....#.....#.......#.#...#...#...#...#...#...###...#...###...#.....#.#.###.....#.....#.#.#...#...#
+#.#.#####.#.#.#.#####.#########.###.#####.#.#################.#.#.#.#.#####.#.#.###.#.#.###.#####.#####.#####.#.#.#######.#####.#.#.#.###.###
+#.#.......#.#.#.....#.#...#...#.#...#...#.#...#...#...........#.#.#.#...#...#.#.....#.#.#...#...#.....#.......#.#...#...#.......#.#.#...#...#
+#.#########.#.#####.#.#.#.#.#.#.#.###.#.#.###.#.#.#.###########.#.#.###.#.###.#######.#.#.###.#.#####.#########.###.#.#.#########.#.###.###.#
+#.#...#...#.#.#...#.#.#.#...#.#.#.#...#.#.###...#.#...........#.#.#.#...#...#.#.......#...#...#.#...#.......###.....#.#.........#.#.#...#...#
+#.#.#.#.#.#.#.#.#.#.#.#.#####.#.#.#.###.#.#######.###########.#.#.#.#.#####.#.#.###########.###.#.#.#######.#########.#########.#.#.#.###.###
+#.#.#.#.#.#.#.#.#.#.#.#.#.....#.#.#...#.#.#.......#.....#...#.#.#.#.#.....#.#.#.#...#.....#...#.#.#...#...#...........#...#...#.#.#.#...#...#
+#.#.#.#.#.#.#.#.#.#.#.#.#.#####.#.###.#.#.#.#######.###.#.#.#.#.#.#.#####.#.#.#.#.#.#.###.###.#.#.###.#.#.#############.#.#.#.#.#.#.###.###.#
+#...#...#...#...#...#...#.......#.....#...#.........###...#...#...#.......#...#...#...###.....#...###...#...............#...#...#...###.....#
+#############################################################################################################################################
\ No newline at end of file
diff --git a/AOC/data/day_20/sample_part_one.txt b/AOC/data/day_20/sample_part_one.txt
new file mode 100644
index 0000000..f107d40
--- /dev/null
+++ b/AOC/data/day_20/sample_part_one.txt
@@ -0,0 +1,15 @@
+###############
+#...#...#.....#
+#.#.#.#.#.###.#
+#S#...#.#.#...#
+#######.#.#.###
+#######.#.#...#
+#######.#.###.#
+###..E#...#...#
+###.#######.###
+#...###...#...#
+#.#####.#.###.#
+#.#...#.#.#...#
+#.#.#.#.#.#.###
+#...#...#...###
+###############
\ No newline at end of file
diff --git a/AOC/data/day_20/sample_part_two.txt b/AOC/data/day_20/sample_part_two.txt
new file mode 100644
index 0000000..f107d40
--- /dev/null
+++ b/AOC/data/day_20/sample_part_two.txt
@@ -0,0 +1,15 @@
+###############
+#...#...#.....#
+#.#.#.#.#.###.#
+#S#...#.#.#...#
+#######.#.#.###
+#######.#.#...#
+#######.#.###.#
+###..E#...#...#
+###.#######.###
+#...###...#...#
+#.#####.#.###.#
+#.#...#.#.#...#
+#.#.#.#.#.#.###
+#...#...#...###
+###############
\ No newline at end of file
diff --git a/AOC/uiua/solutions/day20.ua b/AOC/uiua/solutions/day20.ua
new file mode 100644
index 0000000..f6ef3ab
--- /dev/null
+++ b/AOC/uiua/solutions/day20.ua
@@ -0,0 +1,17 @@
+~ "../helpers/input.ua" ~ ReadInput
+
+Input ← (
+  ReadInput "day_20"
+  ⊜∘≠,@\n
+)
+
+Start  ← ⊢⊚⌕@SInput        # start position
+End    ← ⊢⊚⌕@EInput        # end position
+Ns     ← ▽≠@#:⟜⬚@#⊡+A₂¤    # valid neighbours
+Solve  ← -1⧻⊢path(Ns|≍End) # seconds to solve
+Cheats ← ≡⍜⊡⋅@.⊚=@#⟜¤      # generate all possible cheats
+
+Input
+≡(Solve Start) Cheats # get the cheat times
+-⟜/↥                  # compared to the normal time
+⧻▽⊸≥₁₀₀               # how many save at least 100 seconds