3 adverbs to describe how to pillars

Peter Gillius, in his accurate description of Constantinople, speaks of an old cistern which he went down to see, 336 feet long, 180 feet broad, built of marble, covered over with arch-work, and sustained by 336 pillars, 12 feet asunder, and in eleven rows, to contain sweet water.

Demand liabilities are at such a time the greatest danger, so that the banks, ordinarily the pillars of financial strength, become at such a time the points of greatest weakness in the financial situation.

"This, Harry, is Castlewood church," says Mr. Holt, "and this is the pillar thereof, learned Dr. Tusher.

3 adverbs to describe how to  pillars  - Adverbs for  pillars