splice begin	0	100	100	100	50	1	0	1
wire break	1	120	120	120	50	0	-1	0
wire break	2	320	320	320	50	0	-1	0
splice end	3	500	500	500	50	0	-1	0
splice begin	4	1000	1000	1000	50	1	0	1