| Size | Round W = 1 | Round W = 2 | Round W = 3 | Round W = 4 |
| 4 × 4 | Not Recommended | (4.3)2 = 1.8 × 1019 | (4.3)3 = 7.9 × 1028 | (4.3)4 = 3.4 × 1038 |
| 8 × 8 | (642 × 256)4 = 1.2 × 1024 | (1.2 × 1024)2 = 1.4 × 1048 | (1.2 × 1024)3 = 1.7 × 1072 | Not Recommended |