Sessions 1-2 – random seating.
Session 3 – players are divided into groups of 24 (1-24, 25-48, etc.), random seating within a group with as few intersections as possible.
Session 4 – same as in previous session, but players are divided into groups of 20.
Session 5 – same as in previous session, but players are divided into groups of 16.
Session 6 – same as in previous session, but players are divided into groups of 12.
Session 7 – the 1st player is playing with the 5th, 9th, 13th; the 2nd with the 6th, 10th, 14th, etc.