Hazardous waste:Following is a list of the number of hazardous waste sites in a sample of states of the United States in a recent year. The list has been sorted into numerical order.

0	6	9	9	11	12	12	12	13	14
14	15	15	16	19	19	20	21	25	26
29	30	32	32	38	40	48	49	97	116

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Find the first and third quartiles of these data. The first quartile is . The third quartile is .