# your code goes here
from random import shuffle
foo = []
foo.append([1, 2, 3])
foo.append([4, 5, 6])
foo.append([7, 8, 9])
shuffle(foo)
map(shuffle, foo)
print foo
IyB5b3VyIGNvZGUgZ29lcyBoZXJlCgoKZnJvbSByYW5kb20gaW1wb3J0IHNodWZmbGUgCgpmb28gPSBbXQpmb28uYXBwZW5kKFsxLCAyLCAzXSkKZm9vLmFwcGVuZChbNCwgNSwgNl0pCmZvby5hcHBlbmQoWzcsIDgsIDldKQoKc2h1ZmZsZShmb28pCm1hcChzaHVmZmxlLCBmb28pCgpwcmludCBmb28=