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Decide · Level 2 · Now with names
In Level 1 you wrote the logic. Here it is inside the cells that build a face.
In Level 1 you solved ten puzzles with porch lights, a held ball, a worn dirt path, a stadium emptying. Every one of them was a real decision a cell makes, in disguise. Nothing about the logic changes here. What changes is that the switch becomes a gene, the holder gets its real name, and the answer decides a real part of a real face.
Everyday storiesthe logic, in plain sight
Cells that build a facethe same logic, with names
Play them in order to follow one kind of cell, the neural crest, as it builds most of a face. Or jump to any one. Each still ends with a rule you write in your own words, and each one hands off to Level 3, where you run these decisions live and watch them derail.
The Rulebook, Level 2
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