Line L6 created with (30,150) (100,220)

Line L1 created with (100,220) (220,170)

Line L2 created with (220,170) (200,100)

Line L9 created with (60,100) (200,100)

Line L7 created with (30,150) (60,100)

Line L10 created with (10,130) (50,170)

Line L3 created with (90,170) (220,170)

Line L5 created with (90,170) (160,100)

Line L4 created with (100,120) (190,150)

Line L8 created with (10,10) (100,100)

L1 100 220 220 170
L10 10 130 50 170
L2 220 170 200 100
L3 90 170 220 170
L4 100 120 190 150
L5 90 170 160 100
L6 30 150 100 220
L7 30 150 60 100
L8 10 10 100 100
L9 60 100 200 100

Line L1 inserted into quadtree

L6 shares end point (100,220) with L1
Line L6 inserted into quadtree

L10 overlaps L6
Line L10 not inserted

L7 shares end point (30,150) with L6
Line L7 inserted into quadtree

L2 shares end point (220,170) with L1
Line L2 inserted into quadtree

Line L8 inserted into quadtree

Line L5 inserted into quadtree

L3 shares end point (220,170) with L1
L3 shares end point (220,170) with L2
L3 shares end point (90,170) with L5
Line L3 inserted into quadtree

L4 intersects with L5
Line L4 not inserted

L9 overlaps L8
Line L9 not inserted

Line L8 deleted

L9 overlaps L5
Line L9 not inserted

Line L3 deleted
Line L5 deleted

L9 shares end point (60,100) with L7
L9 shares end point (200,100) with L2

Line L9 inserted into quadtree