We recommend (subject to adults or children), the following:
2000mm (L) = seats approx. 4 people per seat.
3000mm (L) = seats approx. 6 people per seat.
4000mm (L) = seats approx. 8 people per seat.
3000mm (L) = seats approx. 6 people per seat.
4000mm (L) = seats approx. 8 people per seat.
6000mm (L) = seats approx. 12 people per seat.