diff --git a/day/02/demo_2_input.txt b/day/02/demo_2_input.txt
index 5ef4dc6..baeffbb 100644
--- a/day/02/demo_2_input.txt
+++ b/day/02/demo_2_input.txt
@@ -2,3 +2,8 @@
 1 2 3 99
 1 3 2 3
 9 8 9 10
+9 10 11 11
+9 10 10 11
+9 8 2 7
+9 8 7 1
+9 4 10 11
diff --git a/day/02/demo_input_1.txt b/day/02/demo_input_1.txt
new file mode 100644
index 0000000..46117e7
--- /dev/null
+++ b/day/02/demo_input_1.txt
@@ -0,0 +1 @@
+7 6 4 2 1
diff --git a/day/02/demo_input_2.txt b/day/02/demo_input_2.txt
new file mode 100644
index 0000000..f57f20b
--- /dev/null
+++ b/day/02/demo_input_2.txt
@@ -0,0 +1 @@
+1 2 7 8 9
diff --git a/day/02/demo_input_3.txt b/day/02/demo_input_3.txt
new file mode 100644
index 0000000..2772f7a
--- /dev/null
+++ b/day/02/demo_input_3.txt
@@ -0,0 +1 @@
+9 7 6 2 1
diff --git a/day/02/demo_input_4.txt b/day/02/demo_input_4.txt
new file mode 100644
index 0000000..c053896
--- /dev/null
+++ b/day/02/demo_input_4.txt
@@ -0,0 +1 @@
+1 3 2 4 5
diff --git a/day/02/demo_input_5.txt b/day/02/demo_input_5.txt
new file mode 100644
index 0000000..92396e3
--- /dev/null
+++ b/day/02/demo_input_5.txt
@@ -0,0 +1 @@
+8 6 4 4 1
diff --git a/day/02/demo_input_6.txt b/day/02/demo_input_6.txt
new file mode 100644
index 0000000..765e18f
--- /dev/null
+++ b/day/02/demo_input_6.txt
@@ -0,0 +1 @@
+1 3 6 7 9