Pattern: Bricks Required pavers or concrete stones per 100 sq. ft. 67 pcs. - 12″ x 18″ - 100% or 200 pcs. - 6″ x 12″ - 100% or 450 pcs. - 4″ x 8″ - 100% or 521 pcs. - 3 5/8″ x 7 5/8″ - 100% Level Of Difficulty: Easy Back