สาย1------------------------------------------------------------------------------------------------|
สาย2------------------------------------------------------------------------------------------------|
สาย3-------7h9/7------------------------------------7h9/7------------------------------------|
สาย4-----------------7h9/7--5--7--5--7--9------------------7h9/7--5--7--4--5--4--2---|
สาย5---7-------------------------------------------7----------------------------------------------|
สาย6-------------------------------------------------------------------------------------------