Renamed day 4 directory

diff --git a/problem-ideas.ipynb b/problem-ideas.ipynb
index 66012c785aa37bdd8d1afe596ce3f08e474f8636..5d0edde9f3972476f53c3bec61af65e9696f02b2 100644 (file)
--- a/problem-ideas.ipynb
+++ b/problem-ideas.ipynb
@@ -18,7 +18,7 @@
     "1. [Ticket prices](01-ticket-prices)\n",
     "2. [Lift instructions](02-lifts)\n",
     "3. [Door codes](03-door-codes)\n",
-    "4. [Ghost leg, follow and pack](04-08-amidakuji)\n",
+    "4. [Ghost leg, follow and pack](04-amidakuji)\n",
     "5. [Display board](05-display-board)\n",
     "6. [Tour shapes](06-tour-shapes)\n",
     "7. [Virtual machine](07-interpreter)\n",
@@ -310,7 +310,7 @@
     "1. [Ticket prices](01-ticket-prices): Ruby x\n",
     "2. [Lift instructions](02-lifts): Brainfuck x\n",
     "3. [Door codes](03-door-codes): Dart x\n",
-    "4. [Ghost leg, follow and pack](04-08-amidakuji): Clojure\n",
+    "4. [Ghost leg, follow and pack](04-amidakuji): Clojure\n",
     "5. [Display board](05-display-board): JavaScript/Node.js\n",
     "6. [Tour shapes](06-tour-shapes): Lua\n",
     "7. [Virtual machine](07-interpreter): Haskell (Advent 16 day 23)\n",