This effect is controllable although it might take some concentrated effort

Can you repeat this sentence, but add in punctuation?
This effect is controllable although it might take some concentrated effort.
The demand of the insurgent St Petersburg workersthe immediate convocation of a Constituent Assembly on the basis of universal direct and equal suffrage by secret ballotmust become the demand of all the striking workers

Can you repeat this sentence, but add in punctuation?
The demand of the insurgent St. Petersburg workersthe immediate convocation of a Constituent Assembly on the basis of universal, direct, and equal suffrage by secret ballotmust become the demand of all the striking workers.
These cats love to play hide and seek or launch sneak attacks on their unsuspecting family members

Can you repeat this sentence, but add in punctuation?
These cats love to play hide and seek or launch sneak attacks on their unsuspecting family members.