Problem: Add spaces: 4AndhemustneedsgothroughSamaria.

Spaces added: 4 And he must needs go through Samaria.

Problem: Add spaces: IfeelthatIhavetakenahugeleapwiththelastexhibition.

Spaces added: I feel that I have taken a huge leap with the last exhibition.

Problem: Add spaces: Rockcrystalisthemostpowerfultype.

Spaces added: Rock crystal is the most powerful type.

Problem: Add spaces: Themainhighlightoflogicgamesisnotthegraphicalcomponentorintricaciesoftheplot,andthepuzzleincludeforcingthebraintofindthesolution.

Spaces added:
The main highlight of logic games is not the graphical component or intricacies of the plot, and the puzzle include forcing the brain to find the solution.