2 ft w x 4 ft h 2 ft w x 5 ft h 2 ft w x 6 ft h 2 ft w x 7 ft h 2 ft w x 8 ft h 2 ft w x 9 ft h 2 ft w x 10 ft h 2 ft w x 11 ft h 2 ft w x 12 ft h 4 ft w x 4 ft h 4 ft w x 5 ft h 4 ft w x 6 ft h 4 ft w x 7 ft h 4 ft w x 8 ft h 4 ft w x 9 ft h 4 ft w x 10 ft h 4 ft w x 11 ft h 4 ft w x 12 ft h 6 ft w x 4 ft h 6 ft w x 5 ft h 6 ft w x 7 ft h 6 ft w x 8 ft h 6 ft w x 9 ft h 6 ft w x 10 ft h 6 ft w x 11 ft h 6 ft w x 12 ft h 8 ft w x 4 ft h 8 ft w x 5 ft h 8 ft w x 6 ft h 8 ft w x 7 ft h 8 ft w x 8 ft h 8 ft w x 9 ft h 8 ft w x 10 ft h 8 ft w x 11 ft h 8 ft w x 12 ft h