We are redoing our bathroom. We are looking for the deepest soaking tub. We would prefer something around 72" long and 32" wide (although we can go as wide as 36"). We don't care if it is freestanding or any other style. I just want the depth to the drain to be about 20 inches (19" minimum). I've searched for hours, you wouldn't believe how hard it is to find something that deep. Please help!