This is seed is one of the best seed for speedrunning. This seed was used by El Treago for the Minecraft bedrock edition SSG speedrun world record.
Watch his video on youtube for learn
https://www.youtube.com/watch?v=E8jlqGpy_-w
Try to make this world in creative first, to learn the moves you need to do, then create in survival and try to beat the game!
Have fun!