2 adjectives to describe eights

Then the cheering grew louder and more frenzied as, boat to boat, the rival eights passed the half-mile buoy, swinging along with no perceptible effort over the blue, dancing water.

"Now," said G.F.F.F.S., "I prognosticated that my maternal relative would become oblivions of my reiterated solicitations to perambulate the Avenue, and make the acquisition of four yards of cerulean hued ribbon," and she stamped her tiny number eights on the floor.

2 adjectives to describe  eights