Motosakura Castle

Motosakura Castle is a hilltop castle, now ruins, in Shisui Town, Chiba Prefecture, Japan.

History

Makuwari Yasutane attacked Chiba castle, defeating the Chiba clan in 1455. After that he built this castle. He took the Chiba name, and the family continued to rule in the area, in the castle, allied with the Hojo. The Hojo clan and Chiba worked together to fend off rival clans, and the Hojo added substantial works to the castle. The Chiba clan ruled the castle until the Hojo fell from power after the Battle of Odawara in 1590. The castle was abandoned when the Tokugawa moved to Edo. [1]

Present day

There are presently just some earthworks, embankments and trenches. There is signage for tourists to read. [2]

gollark: Python's arbitrarily large integers probably do *not* have constant time bitshifting, so I don't think this is actually the complexity you said.
gollark: Wait, is your estimate of the complexity assuming the bitshifts will take the same time regardless of how big the numbers are?
gollark: What's n meant to be?
gollark: Being Python, which uses bignums by default, an optimized C implementation which did multiplication too might be faster.
gollark: ... okay.

References
  1. Motosakura Castle http://www.jcastle.info/photos/view/2732-Motosakura-Castle
  2. Motosakura Castle http://www.jcastle.info/photos/view/2732-Motosakura-Castle

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