[Takahashi, Ikeda]
We took pictures of all the space between the SUS blocks with the fiber scope in the OMC chamber. The conditions are summarized in the table.
O: Small gap, X: No gap, Δ: Touching or very close
| Bellows | 1st | 2nd | 3rd |
| 1-1 | O | X | X |
| 1-2 | O | O | Δ |
| 1-3 | O | X | Δ |
| 2-1 | O | X | X |
| 2-2 | Δ | O | Δ |
| 2-3 | O | O | Δ |
| 3-1 | Δ | O | X |
| 3-2 | Δ | X | X |
| 3-3 | X | - | - |
