storage

https://gyazo.com/d13e432664e9f16849a8b0ebc45681ca

layered storage

https://gyazo.com/e7a2e316d4305369f4ba5e257091225f

1 layer of storage

fill rate: 100%

Needs lots of RR

Access is limited to layer-by-layer

Very flexible, but RH will technically collide with neighbor.

Maybe practically ok because of flexibility.

Otherwise, design other RH-specific storage. Aim 90% fill rate.