valid			
v	10	10	0
v	86	10	0
v	86	10	25
v	74	10	25
v	74	10	37
v	22	10	37
v	22	10	25
v	10	10	25
v	86	48	0
v	86	48	25
v	74	48	25
v	74	48	37
v	22	48	37
v	22	48	25
v	10	48	25
v	10	48	0
v	61	16.5	37
v	34	16.5	37		
v	34	41.5	37
v	61	41.5	37	
v	61	41.5	31
v	61	16.5	31
v	34	16.5	31
v	34	41.5	31
e