| 1 | Distance (cm) | Measured (cm) |
|---|
| 2 | 1 | 3 |
| 3 | 1.5 | 3 |
| 4 | 2 | 3 |
| 5 | 2.5 | 3 |
| 6 | 3 | 4 |
| 7 | 3.5 | 4 |
| 8 | 4 | 5 |
| 9 | 4.5 | 5 |
| 10 | 5 | 6 |
| 11 | 6 | 7 |
| 12 | 7 | 8 |
| 13 | 8 | 9 |
| 14 | 9 | 10 |
| 15 | 10 | 11 |
| 16 | 15 | 16 |
| 17 | 20 | 21 |
| 18 | 25 | 26 |
| 19 | 30 | 31 |
| 20 | 40 | 41 |
| 21 | 50 | 51 |
| 22 | 60 | 61 |
| 23 | 80 | 81 |
| 24 | 100 | 101 |
| 25 | 120 | 122 |
| 26 | 140 | 142 |
| 27 | 160 | 162 |
| 28 | 180 | 183 |
| 29 | 200 | 203 |