WDLJ4FUDDNWFM434GA72DTPM7TKI7CIKSOICARMRP7GBGMIFCD6AC
QBPUYYX77BA2WDPCGZCIYQ3NCSHWRZA7YALZEFODQASRT2QBDNDAC
TYIMCQZ4CP2JSZVNXULIFZOMTENG3NDCUSH2XJQBJQVF3UPNYS7AC
QT4MDJ4BERH7KCQV4OEZPVVAKJ5KBG77YN42FVCWXWB5MUXFQ2JQC
const allocator = std.testing.allocator;
var arena = std.heap.ArenaAllocator.init(std.heap.page_allocator); defer arena.deinit(); const allocator = arena.allocator();
var arena = std.heap.ArenaAllocator.init(std.heap.page_allocator);
defer arena.deinit();
const allocator = arena.allocator();
test "day15a" {
test "day15b" {