2 number
3 number
][ new point
6 number
2 number
][ new point
1 number
2 number
)][( new set
][ new point
1 number
4 number
][ new point
2 number
1 number
)][( new set
][ new point
6 number
9 number
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Point Guru wasn't so bonkers after all ;)
Perhaps a more interesting input would have been warranted
At least for paired tokens, I probably would have used a pushdown automata.
I only looked at the separators, not the paired wrappers.
Furthermore I didn't rely on the knowledge that the points are 2-dimensional.
You could say I have a stack of stacks of stacks :v
Points could just be space separated, the sepBy() combinator would address that restriction