KNOW NUMBERS
21[Twenty-one]

21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21.

Twenty-one twenty-one twenty-one twenty-one twenty-one twenty-one twenty-one twenty-one twenty-one twenty-one twenty-one twenty-one twenty-one twenty-two one twenty one twenty one twenty one twenty one twenty one twenty one twenty one twenty one twenty one twenty one twenty one twenty one twenty one twenty one twenty one twenty one twenty one two twenty one twenty one twenty one twenty one twenty one twenty one twenty one twenty one twenty one twenty one twenty one twenty one twenty one twenty one twenty one twenty one twenty one twenty one twenty one twenty one twenty one twenty one twenty one twenty one twenty one twenty one twenty one twenty one twenty one twenty one twenty one twenty one twenty one twenty one twenty twenty one twenty twenty one twenty one twenty one twenty one twenty one twenty one twenty one twenty one twenty one twenty one twenty one twenty one twenty one twenty one twenty one twenty one twenty one twenty one two twenty one twenty one twenty one twenty one twenty one twenty one twenty one twenty one twenty one twenty one twenty one twenty one twenty one twenty one twenty one twenty one twenty one twenty one twenty one twenty one twenty one twenty one twenty one twenty one twenty one twenty one twenty one twenty one twenty one twenty one twenty one twenty one twenty one twenty one twenty twenty one twenty twenty one twenty one twenty one twenty one twenty one twenty one twenty one twenty one twenty one twenty one twenty one twenty one twenty one twenty one twenty one twenty one twenty one twenty one two twenty one twenty one twenty one twenty one twenty one twenty one twenty one twenty one twenty one twenty one twenty one twenty one twenty one twenty one twenty one twenty one twenty one twenty one twenty one twenty one twenty one twenty one twenty one twenty one twenty one twenty one twenty one twenty one twenty one twenty one twenty one twenty one twenty one twenty one twenty twenty one twenty twenty one twenty one twenty one twenty one twenty one twenty one twenty one twenty one twenty one twenty one twenty one twenty one twenty one twenty one twenty one twenty one twenty one twenty one two twenty one twenty one twenty one twenty one twenty one twenty one twenty one twenty one twenty one twenty one twenty one twenty one twenty one twenty one twenty one twenty one twenty one twenty one twenty one twenty one twenty one twenty one twenty one twenty one twenty one twenty one twenty one twenty one twenty one twenty one twenty one twenty one twenty one twenty one twenty twenty one twenty twenty one twenty one twenty one twenty one twenty one twenty one twenty one twenty one twenty one twenty one twenty one twenty one twenty one twenty one twenty one twenty one twenty one twenty one two twenty-one twenty-one twenty-one twenty-one.