https://scratch.mit.edu/projects/1244679854/ Infection chart: I L T S O (0) I L - S O (1) I L - T O (2) I L - T @ (3) I 0 - T @ (4) [ 0 - T @ (5) [ 0 - T © (6) [ 0 - = # (7) [ 0 . = # (8)