PLANE(0,15,0,15)
Coldash="grey"; GridV(0:15); GridH(0:15)
POINT(7,7,"brown")
# arrow:  beginning and end of the arrow
# arrow2: end of the new arrow
arrow(7,7, 8,6, "brown")
arrow2(9,7, "brown")
arrow2(7,9, "brown")
arrow2(5,7, "brown")
arrow2(8,4, "brown")
arrow2(11,7, "brown")
arrow2(7,11, "brown")
arrow2(3,7, "brown")
arrow2(8,2, "brown")
arrow2(13,7, "brown")
arrow2(7,13, "brown")
arrow2(1,7, "brown")
arrow2(8,0, "brown")
arrow2(15,7, "brown")
arrow2(7,15, "brown")