753377
[Commentary:
Arrangements of dots as singletons or pairs in rows of four.
Perhaps a counting system in base ]
Perhaps a counting system in base ]
631 (316) |
632 (316v) |
633 (317) |
634 (317v) |
635 (318) |
636 (318v) |
637 (319) |
638 (319v) |
639 (320) |
640 (320v) |