Image Item No. Description  6161  Brick, Modified 24 x 24 without 12 x 12 Quarter Circle Catalog: Parts: Brick, Modified  6161  Brick, Modified 24 x 24 without 12 x 12 Quarter Circle Catalog: Parts: Brick, Modified  6161  Brick, Modified 24 x 24 without 12 x 12 Quarter Circle Catalog: Parts: Brick, Modified  6161  Brick, Modified 24 x 24 without 12 x 12 Quarter Circle Catalog: Parts: Brick, Modified  6161  Brick, Modified 24 x 24 without 12 x 12 Quarter Circle Catalog: Parts: Brick, Modified