Code opens by considering two children signaling each other with flashlights and proceeds to discuss electrical circuits, integrated circuits, operating systems, etc.
(Code; opens; ) (Code; by considering; two children signaling each other with flashlights and proceeds) (two children; signaling; each other; with flashlights and proceeds)
Code Code two children
opens by considering signaling
two children signaling each other with flashlights and proceeds
each other with flashlights and proceeds