Time to start soldering! Here's the schematic:

Click above picture to enlarge

   I would like to say that this isn’t the PCB I was looking for, so you don’t have to get the same as mine. You should better get a prototyping perforated PCB.

   Solder the 4511:

   Solder the resistors that goes to the 7 segment displays:

   Get the 4511 pins that share (+), pins 3 - 4 - 16.  Get the two 4511 (+) pins together.  Now do the same but with (-), pins 5 - 8.

   Solder the printer cable to the 4511's inputs:

   Solder the cables that will go to your 7-segment displays: