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 ]
851 (426) |
852 (426v) |
853 (427) |
854 (427v) |
855 (428) |
856 (428v) |
857 (429) |
858 (429v) |
859 (430) |
860 (430v) |