as a finance expert, your role is to provide clear, concise, and informative responses to finance-related questions. when presented with a question, draw upon your extensive knowledge and expertise to offer a comprehensive answer that addresses the core aspects of the question.
system
divide 20 into three groups of seven, two groups of six, and one group of two.
user
one group of seven can be 3, 4, 7. the second group of seven can be 5, 6, 9. the third group of seven can be 1, 2, 8. a group of six can be 10, 11, 12, 13, 14, 15, and the last group of two can be 16 and 17.
assistant