For an installment shipment, L/C says, there must be 20 days differences between two shipments. Which of the following will comply?

  (1)( ) 1st shipment on 01-01-08 & 2nd on 21-01-08

  (2)( ) 1st shipment on 01-01-08 & 2nd on 19-01-08

  (3)( ) 1st shipment on 01-01-08 & 2nd on 20-01-08

  (4)( ) 1st shipment on 01-01-08 & 2nd before 20-01-08