diff --git a/README.md b/README.md
index 59cf567..6189714 100644
--- a/README.md
+++ b/README.md
@@ -8,10 +8,10 @@ This project can also be run using the amazing [CraftOS-PC emulator](https://git
## Progress
-#### Stars: 12/24
+#### Stars: 13/24
|Mon|Tue|Wed|Thu|Fri|Sat|Sun|
|:-:|:-:|:-:|:-:|:-:|:-:|:-:|
-|1
:star::star:|2
:star::star:|3
:star::star:|4
:star::star:|5
:star::star:|6
:star::star:|7
|
+|1
:star::star:|2
:star::star:|3
:star::star:|4
:star::star:|5
:star::star:|6
:star::star:|7
:star:|
|8
|9
|10
|11
|12
|||
diff --git a/res/examples/day07.txt b/res/examples/day07.txt
new file mode 100644
index 0000000..8868910
--- /dev/null
+++ b/res/examples/day07.txt
@@ -0,0 +1,16 @@
+.......S.......
+...............
+.......^.......
+...............
+......^.^......
+...............
+.....^.^.^.....
+...............
+....^.^...^....
+...............
+...^.^...^.^...
+...............
+..^...^.....^..
+...............
+.^.^.^.^.^...^.
+...............
\ No newline at end of file
diff --git a/res/stats.json b/res/stats.json
index 73b3cfe..ed7de2d 100644
--- a/res/stats.json
+++ b/res/stats.json
@@ -24,7 +24,7 @@
"puzzle2": true
},
"day07": {
- "puzzle1": false,
+ "puzzle1": true,
"puzzle2": false
},
"day08": {
diff --git a/src/day07/puzzle1.lua b/src/day07/puzzle1.lua
new file mode 100644
index 0000000..5586f13
--- /dev/null
+++ b/src/day07/puzzle1.lua
@@ -0,0 +1,34 @@
+local utils = require "utils"
+
+local puzzle1 = {}
+
+function puzzle1.solve(input)
+ local lines = utils.splitLines(input)
+
+ local beams = {}
+ local totalSplits = 0
+
+ for i, line in ipairs(lines) do
+ local newBeams = {}
+ if i == 1 then
+ newBeams[line:find("S")] = true
+ else
+ for j=1, #line do
+ if beams[j] then
+ if line:sub(j, j) == "^" then
+ totalSplits = totalSplits + 1
+ newBeams[j - 1] = true
+ newBeams[j + 1] = true
+ else
+ newBeams[j] = true
+ end
+ end
+ end
+ end
+ beams = newBeams
+ end
+
+ return totalSplits
+end
+
+return puzzle1
diff --git a/src/day07/puzzle2.lua b/src/day07/puzzle2.lua
new file mode 100644
index 0000000..2f4bc9a
--- /dev/null
+++ b/src/day07/puzzle2.lua
@@ -0,0 +1,7 @@
+local puzzle2 = {}
+
+function puzzle2.solve(input)
+ return 0
+end
+
+return puzzle2