Group A (to submit questions by the end of weeks 1, 3, 5, 7, 9, 11, 13 & 15)
Group B (to submit questions by the end of weeks 2, 4, 6, 8, 12 (two sets allowed for this week), 14 & 16)
Group A (to submit questions by the end of weeks 1, 3, 5, 7, 9, 11, 13 & 15)
Group B (to submit questions by the end of weeks 2, 4, 6, 8, 12 (two sets allowed for this week), 14 & 16)