Complex sentence: During the last week of the summer, the camp is split up into two teams, "white" and "blue" consisting of 7 or 8 staff members per team, usually: 1 General, 4 or 5 Lieutenants, and 2 Aides.
Split into simpler sentences: During the last week of the summer, the camp is split up into two teams, "white" and "blue". Each team typically consists of 8 staff members, usually: 1 General, 5 Lieutenants, and 2 Aides.