The base was divided into to two part by the line in the middle of the base.
And every 5 horizontal holes are connected together. However, vertical holes are not connected.
This is a photo of the package of one capacitor.
445-8584-ND is its part number.
3.3pf is its capacity and 50v means it should run under 50 voltage. 4 at the bottom represents the number of the capacitors.