How many rows of floor seats are there at the O2 London using a basketball layout?

How many rows of floor seats are there at the O2 London using a basketball layout?

At the O2, during NBA London, how many rows of seats are there on the floor? Blocks A,B,C,D

Thanks.How many rows of floor seats are there at the O2 London using a basketball layout?
I sense a rhetorical question.I think it is somewhere around 2300.