Changes
→Nansei Islands off the coast
! scope="col" style="text-align: center;"|Pattern
! scope="col" style="text-align: center;"|Pattern
! scope="col" style="text-align: center;"|Vessels
! scope="col" style="text-align: center;"|Vessels
! scope="col" style="text-align: center;"|
! scope="col" style="text-align: center;"|Formation
|-
|-
| colspan="1" rowspan="2" style="text-align: center;"|
| colspan="1" rowspan="2" style="text-align: center;"|