BBOX:0.00,0.00,0.00,0.00 ADD:0 UPD:1 DEL:0
BBOX:54.33,31.87,54.37,31.90 ADD:0 UPD:1 DEL:0
BBOX:52.09,31.77,54.54,32.67 ADD:1 UPD:0 DEL:0
(no comment)
test
BBOX:52.09,30.47,56.16,32.67 ADD:2 UPD:0 DEL:2
BBOX:52.09,30.47,56.16,32.67 ADD:3 UPD:1 DEL:0