Here is the framework and schedule for the paper sessions.
Several sessions have three papers.
Two have five and one has six, but these sessions are longer than two hours. With the exception of the second session on Sunday morning, paper slots begin and end on the hour or the half hour. There will be six concurrent sessions on Friday and five on most of Saturday and Sunday. On Friday and Saturday, there will be a 30-minute break in the morning and another one in the afternoon. The lunch break will be two hours minutes long.