input question: Fix spacing: Thisisoneofthemostimportantmodernistworksintheworld,andwasdesignedbyAntoniGaudi.

output answer: This is one of the most important modernist works in the world, and was designed by Antoni Gaudi.
Problem: Youmixupafulltwenty-four-hourbatchofthisbarleyrecipeeveryday,bottleitinsterilizedbottlesandputitwhereitwillremaincold.
What's a sentence that uses these characters?
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You mix up a full twenty-four-hour batch of this barley recipe every day, bottle it in sterilized bottles and put it where it will remain cold.
Add spaces: Ishallshowthatthemaximalwork,whichwascarriedoutintheUniverse,whenitwas'born'withinthefirstcosmicquantumtimeinterval,isgivenbythetotalmassoftheUniversemultipliedbythesquareofthevelocityoflight.

Answer: I shall show that the maximal work, which was carried out in the Universe, when it was 'born' within the first cosmic quantum time interval, is given by the total mass of the Universe multiplied by the square of the velocity of light.
redpearlandcrystalbraceletwithextendablechain-Bjbead.com

red pearl and crystal bracelet with extendable chain - Bjbead.com
[Q]: [TherevolutionaryM3IFileAnalysisTool™️scans,analyzes,andreportsbackeverydetailaboutyourM3Ifile.]
[A]: [The revolutionary M3I File Analysis Tool™️ scans, analyzes, and reports back every detail about your M3I file.]
Problem: Add spaces: ForarunninglistofallcitiesthatcurrentlyhaveSprint'sWiMax4G,andtheplannedupcomingcities,besuretocheckoutthisthreadforthelatestupdates.[viaSprint]

Spaces added:
For a running list of all cities that currently have Sprint's WiMax 4G, and the planned upcoming cities, be sure to check out this thread for the latest updates. [via Sprint]