chip [ 500 , 500 ]
cell 1  pos  [ 000 , 000 ] size [ 200 , 200 ]
  name A1 side n offset 100
  name B1 side e offset 100
cell 2  pos  [ 300 , 000 ] size [ 200 , 200 ]
  name A2 side n offset 100
cell 3  pos  [ 000 , 300 ] size [ 200 , 200 ]
  name B2 side e offset 100
cell 4  pos  [ 300 , 300 ] size [ 200 , 200 ]
net tie A1 tie A2
net tie B1 tie B2
end