Antibiotic	X	Y
A	11	6
A	8	0
A	5	2
A	14	8
A	19	11
A	6	4
A	10	13
A	6	1
A	11	8
A	3	0
B	6	0
B	6	2
B	7	3
B	8	1
B	18	18
B	8	4
B	19	14
B	8	9
B	5	1
B	15	9
C	16	13
C	13	10
C	11	18
C	9	5
C	21	23
C	16	12
C	12	5
C	12	16
C	7	1
C	12	20