1	100	200	REGION1	0	+
1	250	300	REGION1	0	+
1	400	500	REGION1	0	+
2	300	400	REGION2	0	-
2	500	600	REGION3	0	+
2	550	700	REGION3	0	+
X	100	400	REGION4	0	+
X	500	600	REGION4	0	+