A staple cartridge is disclosed. The staple cartridge comprises a staple cartridge body comprising a first side, a second side, and an elongated slot comprising a first lateral side and a second lateral side. The staple cartridge body further comprises, one, a deck having elevationally offset first and second portions, and, two, a plurality of staple cavities. The staple cartridge further comprises a plurality of staples comprising, one, a first row of staples supported a first forming distance from an anvil and formed against the anvil to a first deformed height and, two, a second row of staples supported a second forming distance from the anvil and formed against the anvil to a second deformed height, wherein the second deformed height is different than the first deformed height, and wherein the second forming distance is different than the first forming distance.