Re-organize the sentences in chronological order.
- Harry met Bill while they were at college 
- Bill graduated with an economics degree 
- Harry enrolled in the same college
1. Harry enrolled in the same college
2. Harry met Bill while they were at college 
3. Bill graduated with an economics degree
Complete the following task based on the instruction and optional input provided.### Instruction:
Re-organize the sentences in chronological order.

### Input:
- Harry met Bill while they were at college 
- Bill graduated with an economics degree 
- Harry enrolled in the same college

### Output:
1. Harry enrolled in the same college
2. Harry met Bill while they were at college 
3. Bill graduated with an economics degree