Fifteen Numbers, 15 by 15 Grid
Geo-15-1 Geo-15-2
Geo-15-3 Geo-15-4
Geo-15-5 Geo-15-6
Geo-15-7 Geo-15-8
Geo-15-9 Geo-15-10
Geo-15-11
Sequences, 5 Groups of 3
Geo-15-1-SEQ Geo-15-2-SEQ
Geo-15-3-SEQ Geo-15-4-SEQ