diff --git a/.gitignore b/.gitignore
index e92090f..92c7510 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,5 +1,3 @@
 target
 old
-*.db
-*.json
 .cargo
diff --git a/examples/example1/answer.json b/examples/example1/answer.json
new file mode 100644
index 0000000..4b1bc77
--- /dev/null
+++ b/examples/example1/answer.json
@@ -0,0 +1,3 @@
+{
+  "odds": 0.0
+}
\ No newline at end of file
diff --git a/examples/example1/empire.json b/examples/example1/empire.json
new file mode 100644
index 0000000..9b8dfdd
--- /dev/null
+++ b/examples/example1/empire.json
@@ -0,0 +1,17 @@
+{
+  "countdown": 7,
+  "bounty_hunters": [
+    {
+      "planet": "Hoth",
+      "day": 6
+    },
+    {
+      "planet": "Hoth",
+      "day": 7
+    },
+    {
+      "planet": "Hoth",
+      "day": 8
+    }
+  ]
+}
\ No newline at end of file
diff --git a/examples/example2/answer.json b/examples/example2/answer.json
new file mode 100644
index 0000000..4f092f2
--- /dev/null
+++ b/examples/example2/answer.json
@@ -0,0 +1,3 @@
+{
+  "odds": 0.81
+}
\ No newline at end of file
diff --git a/examples/example2/empire.json b/examples/example2/empire.json
new file mode 100644
index 0000000..a3f5e37
--- /dev/null
+++ b/examples/example2/empire.json
@@ -0,0 +1,17 @@
+{
+  "countdown": 8,
+  "bounty_hunters": [
+    {
+      "planet": "Hoth",
+      "day": 6
+    },
+    {
+      "planet": "Hoth",
+      "day": 7
+    },
+    {
+      "planet": "Hoth",
+      "day": 8
+    }
+  ]
+}
\ No newline at end of file
diff --git a/examples/example3/answer.json b/examples/example3/answer.json
new file mode 100644
index 0000000..b403591
--- /dev/null
+++ b/examples/example3/answer.json
@@ -0,0 +1,3 @@
+{
+  "odds": 0.9
+}
\ No newline at end of file
diff --git a/examples/example3/empire.json b/examples/example3/empire.json
new file mode 100644
index 0000000..e9a7c5f
--- /dev/null
+++ b/examples/example3/empire.json
@@ -0,0 +1,17 @@
+{
+  "countdown": 9,
+  "bounty_hunters": [
+    {
+      "planet": "Hoth",
+      "day": 6
+    },
+    {
+      "planet": "Hoth",
+      "day": 7
+    },
+    {
+      "planet": "Hoth",
+      "day": 8
+    }
+  ]
+}
\ No newline at end of file
diff --git a/examples/example4/answer.json b/examples/example4/answer.json
new file mode 100644
index 0000000..a3878fc
--- /dev/null
+++ b/examples/example4/answer.json
@@ -0,0 +1,3 @@
+{
+  "odds": 1.0
+}
\ No newline at end of file
diff --git a/examples/example4/empire.json b/examples/example4/empire.json
new file mode 100644
index 0000000..5e16c4b
--- /dev/null
+++ b/examples/example4/empire.json
@@ -0,0 +1,17 @@
+{
+  "countdown": 10,
+  "bounty_hunters": [
+    {
+      "planet": "Hoth",
+      "day": 6
+    },
+    {
+      "planet": "Hoth",
+      "day": 7
+    },
+    {
+      "planet": "Hoth",
+      "day": 8
+    }
+  ]
+}
\ No newline at end of file
diff --git a/examples/millennium-falcon.json b/examples/millennium-falcon.json
new file mode 100644
index 0000000..c969b42
--- /dev/null
+++ b/examples/millennium-falcon.json
@@ -0,0 +1,6 @@
+{
+  "autonomy": 6,
+  "departure": "Tatooine",
+  "arrival": "Endor",
+  "routes_db": "universe.db"
+}
\ No newline at end of file
diff --git a/examples/universe.db b/examples/universe.db
new file mode 100644
index 0000000..695680f
Binary files /dev/null and b/examples/universe.db differ