| Introduction | Great Snakes | 3 | |
| Hash Functions | Jack's Birthday Confusion | 30 | |
| Hash Functions | Jack's Birthday Hash | 20 | |
| Misc | Gotta Go Fast | 40 | |
| Introduction | Network Attacks | 5 | |
| General | You either know, XOR you don't | 30 | |
| General | Favourite byte | 20 | |
| Introduction | Finding Flags | 2 |
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