That's geometrical progression - you know how that piles up.

Allan, most earnestly, but I didn't shut my eyes to pray, for I knew the only way God could save me was to let the flat float close enough to one of the bridge piles for me to climb up on it.

The eight great polished columns stood up in the dusk like so many huge piles supporting the threatening, crumbling, big-bellied cliffs whose layers were represented by the circular, parallel, waving lines of the balconies of the grand, first and second tiers of boxes.