First I made two pillars with four lumps of sugar each

Can you repeat this sentence, but add in punctuation?
First, I made two pillars with four lumps of sugar each.
On the inner level this period is likely to prove one of the most important years of your life You will probably be challenged to become aware of and stand by your deepest and most important values

Can you repeat this sentence, but add in punctuation?
On the inner level this period is likely to prove one of the most important years of your life. You will probably be challenged to become aware of and stand by your deepest and most important values.
He was therefore allowed to travel into the country a number of times which lead him to many important adventures and discoveries in South America

Can you repeat this sentence, but add in punctuation?
He was therefore allowed to travel into the country a number of times, which lead him to many important adventures and discoveries in South America.