COMPLETED LEVELS
| XOR Gate |
| Bigger OR Gate |
| Bigger AND Gate |
| XNOR Gate |
| ODD Number of Signals |
| Double Trouble |
| Binary Racer |
| Counting Signals |
| Double the Number |
| Byte OR |
| Byte NOT |
| Half Adder |
| Full Adder |
| Circular Dependency |
| Delayed Lines |
| Odd Ticks |
| Bit Switch |
| Adding Bytes |
| Input Selector |
| Saving Gracefully |
| The bus |
| Negative Numbers |
| Signed Negator |
