Subregions of 5
Following direct parts of 5 have been played up to now:
Neither Ruled nor Mapped Subregions till now: Kasavuori.
Sibling Regions of 5
Played regions on same layer like 5 till now:
Neither Ruled nor Mapped Sibling Regions to date: 1,
2,
3,
4,
6,
7,
8.