• If the sum is odd, press the button in the third position.
• If the sum is even, press the button labeled "2".
• Add the number of intersections created by the lines between each set.
• Each line should only be drawn through its own number.
• Draw four lines starting from the top of the stack going through each label.
• Stack each set of button labels from each stage of Memory and Anti-Memory on top of each other in the order they appeared.
• Stage 4:

• If the result is 0, press the button labeled "4".
• Press the button equal to the number of times the display showed the position of a button with the same label on each stage of Memory and Anti-Memory so far modulo 4.
• Stage 3:

• If the result is 0, press the button in the fourth position.
• Press the button in the position of the difference between the number of labels whose positions match on each stage of Memory and Anti-Memory so far modulo 4.
• Stage 2:

• Otherwise, press the button labeled "1".
• Otherwise, if the sum is divisible by 2, press the button labeled "3".
• Otherwise, if the sum is divisible by 3, press the button in the second position.
• If the sum is divisible by 4, press the button in the first position.
• Add the positions of the buttons which are labeled with the number on the display for this stage of Memory and Anti-Memory.
• Stage 1:

• Button positions are ordered from right to left.
• Stage numbers here refer to which stage was most recently completed on Memory.
• Pressing an incorrect button or running out of time will reset the module back to stage 1.
• Press the correct button within 25 seconds to return to Memory.
• I forgot to tell you that this module has a flip-side to it. It can sometimes appear after completing a stage of Memory.

Oh right, I knew I was forgetting something!

On the Subject of Anti-Memory