5a

five.py

@@ -0,0 +1,16 @@
+#!/usr/bin/env python3
+from useful import *
+
+beg, rec = headerfooter(open(0))
+begl = beg.split('\n')
+a = np.asarray([c for l in begl for c in l]).reshape((len(begl), -1)).T[1::4,::-1]
+dock = [None, *[deque(c for c in l if not c in '0123456789 ') for l in a]]
+ic(a, dock)
+
+for l in rec.strip().split('\n'):
+    num, src, dst = (int(n) for n in re.match(r'move (\d+) from (\d+) to (\d+)', l).groups())
+    ic(num, src, dst)
+    for i in range(num): # ugh
+        dock[dst].extend(dock[src].pop())
+
+print(''.join([d.pop() for d in dock[1:]]))