Two high sea grass placed inside ocean monuments overrides parts of the walls

Not fixed, with new world generated in 18w07b, Sea grass still override monuments blocks

@unknown Can you provide a seed? (type /seed) The monuments I found were fine.
Nevermind, found one now. Seed -1183607967582951151 at /tp @s 662 36 -1224 -180 0

Cannot confirm for 18w07c with the provided seed and coordinates

Splitting into two tickets...