TwitAA 2012-01-12 11:44:06 [TwitAA 2012-01-12 11:44:06] iSort [3, 2, 1, 4] = insert 3 $ insert 2 $ insert 1 $ insert 4 [] = insert 3 $ insert 2 $ insert 1 [4] = insert 3 $ insert 2 [1, 4] = insert 3 [1, 2, 4] = insert [1, 2, 3, 4]