Sparta Walrusy Base is a base created by Jario. It contained many new creative pitch patterns and different versions of each one. There are currently 1 versions (1 of them being officially made by Jario) and other custom versions made by other Sparta remixers.
Sparta Walrusy Base V1
V1 was released February of 2014
Sparta Walrusy Base V2
V5 was released December of 2015. It had again more adjustments, a new pattern and it was extended too. It's the final version of the base.