def bigTree:
["a",
["aa",
["aaa",
["aaaa"],
["aaab",
["aaaba"],
["aaabb"]],
["aaac"]]],
["ab"],
["ac",
["aca"],
["acb"],
["acc"]]] ;
[0, 1, 2, 3],
[1,[2,3,[4, 5, [6,7,8], 9, [10,11]]]],
bigTree
| ("Tree with array representation:\n\(.)\n",
printTree,
"")