very nested

// ed: the lack of braces is me following the project formatting guidelines

        for (int sy = 0; sy < 16; sy++)
        {
            if (snap.isSectionEmpty(sy))
                continue;
            for (int py = sy << 4; py < (sy << 4) + 16; py++)
                for (int iz = 0; iz < 16; iz++)
                    for (int ix = 0; ix < 16; ix++)
                    {
                        int block = snap.getBlockTypeId(ix, py, iz);
                        if (ArrayUtils.contains(interesting, block))
                        {
                            Vector pos = new Vector(baseX + ix, py, baseZ + iz);
                            if (ArrayUtils.contains(CONTAINER_BLOCKS, block))
                                master.foundContainers.add(pos);
                            else
                            {
                                BlockData bd = new BlockData(Material.getMaterial(block), (byte) snap.getBlockData(ix, py, iz));
                                for (BlockData data : goals)
                                    if (data.equals(bd))
                                        master.found.add(new _Entry<BlockData, Vector>(data, pos));
                            }
                        }
                    }
        }