What come next in this series 1 3 5 7 8 9?

The series consists of consecutive odd numbers followed by two additional numbers. The pattern starts with odd numbers: 1, 3, 5, 7. After 7, the series includes 8 and 9, which are consecutive integers. Following this pattern, the next number in the series would be 11, as it resumes with the next odd number after 9.