> A series is then 1, 1/2, 1/4, etc square meters, while B is 1, 1/2, 1/4, etc meters wide. It’s folded in alternating direction so it doesn’t go down as fast.

> A series is then 1, 1/2, 1/4, etc square meters, while B is 1, 1/2, 1/4, etc meters wide. It’s folded in alternating direction so it doesn’t go down as fast. It’s 1m wide, then 1m long, then 50cm wide, 50cm long, etc.