a	b	c	d	y	an	bn	cn	dn
-1	-1	-1	-1	20	20	1	100	25
1	-1	-1	1	14	30	1	100	50
-1	1	-1	1	17	20	2	100	50
1	1	-1	-1	10	30	2	100	25
-1	-1	1	1	19	20	1	150	50
1	-1	1	-1	13	30	1	150	25
-1	1	1	-1	14	20	2	150	25
1	1	1	1	10	30	2	150	50