diff --git a/data/day_22.txt b/data/day_22.txt
new file mode 100644
index 0000000..c3ca4d5
--- /dev/null
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+.....v..v....v..v.>>vv.>>..>>>v..>v>.v>v>v>>v>v>.v>.>..vv>..>>>...>>>>..v.v.v>>v....>vv..v.v>.v>.v..v>v.>.v.>.v>v>v.>vvv.v..>..>>.>.......v
+>>>vvv.v.v..>>v.v.>...v>>v>.>..v.v>>...v..>>>v.>>vv>>.v>v..>v>v.>.>.......>..v>.v...>.v..vv.>...>.vv...>...v.>.>v..v..v>.v.>>>>.>v....vvvv.
+.>..>v>>.>v.>.....>..vv.>.>.v.v>>v.>v..v.v.>vv.vv.>.....v>>....>v>.....v.>vv..>>vvv>v>>.>.vvv.>v.>..>.v.v.v.v...v>v>.>v.....v>v..>>.>>.>v..
+v.>>.>v.vvv..v.>>>......vvv.v.v....v>..v>>>.v.>v.>>.>>v.>>..>v...v>..v.v.>...>..v.>.....vv>v.v>v..>>v.>.v>vv.>v.>v.....vv.....vv>v..v.v>..v
+v>>.v>.>.>>v>v>v.....>v>.......>..v.vv..v>>.>.>>.vvv>.v>>.>v..vv>v>v>.v.>.vv.>.>.>>v>>.>..v..v>v.v>>v...>>.v.>>..>>..v.>.......>..>vv......
+.v..v.>.v>>..v>>v.v...v>.v.v>.....v.v....>>.v.>>v...v..v...>..>.vv.v>v..>.v>.....>....v...>.>.>....v..>vv.v.>......>v>...>.v.>......>..>...
+...v>.>...v...vvv>>.>.......v>...>.>..vvv.>>....>.v..v>.>v.vv>v..>>.>.v>.v>v..v...v...>v.vvvv..>>..v>v>v..v>>...v........>.v..v....>>>>..vv
+.v..>v.vvvv>......vv>vv....v..>v>>v.v.>v.v...v..v>.v.>...>.>.>>>...>>vv.>...>>..>v>.>vv.>.>v..v..v.>>v...vv.v.v>..>>.v...>v.vv>>.>v.v...>.v
+.>v.>.>..v...>>v>.>.vv...>..vv.v...>>.v>v...>..>.>>>...>>....>v>v>v.>..vv..>...>v.vv..v.v.v..>>.....v>vv..>v.>>.v>.v.vvv.>>.>.>..v..>.v>.v.
+.>>.>v...>vv.>>>..vvvvv.v.v..>.>>>vv.........>..>vvv...>>.>>....>>v.v...v>..v>v..>.>..v..>>..v>>vv........v>...vvv...>v..v.vv.>......>.>..v
+v..v.v>.vvv.>>>>>......v>>v..>>.>..>.....vv>.v>>..>.vv..>.v.v>v>v..>...>v>>vv>v..>>v..v.v..vv>vv...>..v.>v>v>.>.>>>v....v.......v>..v...v>.
+>>vv.v..v..>.vv.>v......>v..v.>v.v..vvvv...vv>v>..v>v>>..>.>..vv.>..>..>.v>>>vv.>.....v>v>...v>.>.>.v.>>.v.>vv>vv...v.vvv>v..>.v>vv..v..>.v
+..>.....>>v..>vv.>>..v.......v.....v..>v>...>v>.........>>.v..v>>v.vv.>v>>>...v>v....>vv.vv..v.v..>v>..>.....>>>.v.v.v.vv>v....vvv.v.v>..>>
+..v.v..>..>v>>.v>...>...>>v>>...>.v.v....v...>.>.vvv>..>.v..v>>v>vvv>.>....>v.>....>.v..v....>......>...>.>vv...v>>>..>>..v.>>>>.v.v>vv>.v.
diff --git a/src/day_21.jl b/src/day_21.jl
index d0c0253..dbdb741 100644
--- a/src/day_21.jl
+++ b/src/day_21.jl
@@ -23,7 +23,6 @@ function p1(input::Vector{String})
 end
 
 function simulate(position, score, mul, scores)
-	length(scores) == 0 && return
 	s = popfirst!(scores)
 	for (throw, chances) in [(3, 1),(4, 3),(5, 6),(6, 7),(7, 6),(8, 3),(9, 1)]
 		position2 = (position + throw) % 10
@@ -42,9 +41,9 @@ end
 function p2(input::Vector{String})
 	p = prepare_input(input)
 	
-	s1 = [ [0,0] for _ in 1:21 ]
+	s1 = [ [0,0] for _ in 1:11 ]
 	simulate(p[1], 0, 1, s1)
-	s2 = [ [0,0] for _ in 1:21 ]
+	s2 = [ [0,0] for _ in 1:11 ]
 	simulate(p[2], 0, 1, s2)
 
 	w1 = sum(map(x -> x[1][1] * x[2][2], zip(s1[2:end], s2)))
diff --git a/src/day_22.jl b/src/day_22.jl
new file mode 100644
index 0000000..7673104
--- /dev/null
+++ b/src/day_22.jl
@@ -0,0 +1,58 @@
+include(joinpath(readchomp(`git rev-parse --show-toplevel`), "aoc.jl"))
+import .Aoc: @aoc
+using Pipe: @pipe
+
+function prepare_input(input)
+	out = []
+	for l in input
+		on = l[1:3] == "on "
+		n = split(l, ",")
+		cords = [ parse.(Int, match(r"(-?\d+)\.\.(-?\d+)", r).captures) for r in n ]
+		push!(out, (on, cords))
+	end
+	out
+end
+
+function p1(input::Vector{String})
+	list = prepare_input(input)
+	dict = Dict()
+	for (on, range) in list
+		xmin = range[1][1] < -50 ? -50 : range[1][1]
+		ymin = range[2][1] < -50 ? -50 : range[2][1]
+		zmin = range[3][1] < -50 ? -50 : range[3][1]
+		xmax = range[1][2] > 50 ? 50 : range[1][2]
+		ymax = range[2][2] > 50 ? 50 : range[2][2]
+		zmax = range[3][2] > 50 ? 50 : range[3][2]
+		for x in xmin:xmax, y in ymin:ymax, z in zmin:zmax
+			dict[(x,y,z)] = on
+		end
+	end
+	return sum(collect(values(dict)))
+end
+
+function p2(input::Vector{String})
+	list = prepare_input(input)
+	cubes = []
+	for (on, ((xmin, xmax),(ymin, ymax),(zmin, zmax))) in list
+		for i in 1:length(cubes)
+			(xmin2,xmax2,ymin2,ymax2,zmin2,zmax2) = cubes[i]
+			if xmin > xmax2 || xmax < xmin2 || ymin > ymax2 || ymax < ymin2 ||zmin > zmax2 || zmax < zmin2
+				# new cube does not intersect with the current one
+				continue
+			end
+			# the new cube intersects the current cube, mark current cube for removal and divide it into smaller cubes that dont intersect the new cube
+			cubes[i] = nothing # unset the element to keep positions constant fo ths step
+			(xmin > xmin2) && push!(cubes, (xmin2          , xmin-1          , ymin2          , ymax2          , zmin2   , zmax2   ))
+			(xmax < xmax2) && push!(cubes, (xmax + 1       , xmax2           , ymin2          , ymax2          , zmin2   , zmax2   ))
+			(ymin > ymin2) && push!(cubes, (max(xmin,xmin2), min(xmax, xmax2), ymin2          , ymin - 1       , zmin2   , zmax2   ))
+			(ymax < ymax2) && push!(cubes, (max(xmin,xmin2), min(xmax, xmax2), ymax + 1       , ymax2          , zmin2   , zmax2   ))
+			(zmin > zmin2) && push!(cubes, (max(xmin,xmin2), min(xmax, xmax2), max(ymin,ymin2), min(ymax,ymax2), zmin2   , zmin - 1))
+			(zmax < zmax2) && push!(cubes, (max(xmin,xmin2), min(xmax, xmax2), max(ymin,ymin2), min(ymax,ymax2), zmax + 1, zmax2   ))
+		end
+		on && push!(cubes, (xmin, xmax, ymin, ymax, zmin, zmax)) # Add cube if on
+		filter!(!=(nothing), cubes) # delete the unset elements
+	end
+	sum([ (xmax-xmin+1) * (ymax-ymin+1) * (zmax-zmin+1) for (xmin,xmax,ymin,ymax,zmin,zmax) in cubes ])
+end
+
+@aoc(2021, 22)
diff --git a/src/day_23.jl b/src/day_23.jl
new file mode 100644
index 0000000..ac8cb90
--- /dev/null
+++ b/src/day_23.jl
@@ -0,0 +1,17 @@
+include(joinpath(readchomp(`git rev-parse --show-toplevel`), "aoc.jl"))
+import .Aoc: @aoc
+using Pipe: @pipe
+
+function prepare_input(input)
+	zip(match(r"(\w)", input[3]).captures, match(r"(\w)", input[4]).captures)
+end
+
+function p1(input::Vector{String})
+rooms = prepare_input(input)
+@info rooms
+end
+
+function p2(input::Vector{String})
+end
+
+@aoc(2021, 23)
diff --git a/src/day_24.jl b/src/day_24.jl
new file mode 100644
index 0000000..f212208
--- /dev/null
+++ b/src/day_24.jl
@@ -0,0 +1,51 @@
+include(joinpath(readchomp(`git rev-parse --show-toplevel`), "aoc.jl"))
+import .Aoc: @aoc
+using Pipe: @pipe
+using Memoization
+
+function calc(i, w, z, add_x, add_y, div_z)
+	x = add_x[i] + (z % 26)
+	z = z ÷ div_z[i]
+	x != w && (z = z * 26 + w + add_y[i])
+	z
+end
+
+@memoize function find_solution(i, z, add_x, add_y, div_z)
+	(i == 15 && z == 0) && return [""]
+	i == 15 && return []
+
+	x = add_x[i] + (z % 26)
+	possible_numbers = collect(1:9)
+	x in 1:9 && (possible_numbers = [x])
+	out = []
+	for num in possible_numbers
+		nextz = calc(i, num, z, add_x, add_y, div_z)
+		nextxs = find_solution(i + 1, nextz, add_x, add_y, div_z)
+		for x2 in nextxs
+			push!(out, string(num) * x2)
+		end
+	end
+	out
+end
+
+function p1(input::Vector{String})
+	add_x = []
+	add_y = []
+	div_z = []
+	for (i, l) in enumerate(input)
+		(contains(l, "add x") && !contains(l, "add x z")) && push!(add_x, parse(Int, split(l, " ")[3]))
+		(contains(l, "add y") && ((i-1) % 18 == 15)) && push!(add_y, parse(Int, split(l, " ")[3]))
+		contains(l, "div z") && push!(div_z, parse(Int, split(l, " ")[3]))
+	end
+	@info add_x
+	@info add_y
+	@info div_z
+	solutions = [ parse(Int, s) for s in find_solution(1, 0, add_x, add_y, div_z) ]
+	minimum(solutions), maximum(solutions), length(solutions)
+end
+
+function p2(input::Vector{String})
+	"P2 solution is part of P1"
+end
+
+@aoc(2021, 24)
diff --git a/src/day_25.jl b/src/day_25.jl
new file mode 100644
index 0000000..8b45149
--- /dev/null
+++ b/src/day_25.jl
@@ -0,0 +1,37 @@
+include(joinpath(readchomp(`git rev-parse --show-toplevel`), "aoc.jl"))
+import .Aoc: @aoc
+using Pipe: @pipe
+using Memoization
+
+function p1(input::Vector{String})
+	grid =  [ collect(l) for l in input]
+	steps = 0
+	while true
+		steps += 1
+		moved = false
+		tmp = deepcopy(grid)
+		for y in 1:length(grid), x in 1:length(grid[1])
+			if grid[y][x] == '>' && grid[y][x%length(grid[1])+1] == '.'
+					moved = true
+					tmp[y][x%length(grid[1])+1] = '>'
+					tmp[y][x] = '.'
+			end
+		end
+		tmp2 = deepcopy(tmp)
+		for y in 1:length(tmp), x in 1:length(grid[1])
+			if tmp[y][x] == 'v' && tmp[y%length(grid)+1][x] == '.'
+					moved = true
+				tmp2[y%length(grid)+1][x] = 'v'
+					tmp2[y][x] = '.'
+			end
+		end
+		!moved && (return steps)
+		grid = tmp2
+	end
+end
+
+function p2(input::Vector{String})
+	"Day 25 has no Part 2"
+end
+
+@aoc(2021, 25)