One C$ for 2 frogs! Or you can do a few pets for one frog.
(1 - open) (2 - open) (3 - open) (4 - open) (5 - open) (6 - open) (7 - open) (8 - open) (9 - open) (10 - open)
(11 - open) (12 - open) (13 - sold) (14 - open) (15 - open) (16 - sold) (17 - open) (18 - sold) (19 - sold) (20 - open)
(21 - open) (22 - open) (23 - open) (24 - open) (25 - open) (26 - sold) (27 - open) (28 - open) (29 - open)