The better one: iwvltnoqprsmukjx
+-----+-----+-----+-----+
| | | | |
| 1 | 15 | 14 | 4 |
| | | | |
+-----+-----+-----+-----+
| | | | |
| 12 | 6 | 7 | 9 |
| | | | |
+-----+-----+-----+-----+ (base + 104) = MAGIC 450;
| | | | |
| 8 | 10 | 11 | 5 |
| | | | |
+-----+-----+-----+-----+
| | | | |
| 13 | 3 | 2 | 16 |
| | | | |
+-----+-----+-----+-----+
|
==> |