Geometric 13

Thirteen Numbers, 13 x 13 Grid

Geo-13-1      Geo-13-2

Geo-13-3      Geo-13-4

Geo-13-5      Geo-13-6

Geo-13-7      Geo-13-8

Geo-13-9      Geo-13-10

Geo-13-11    Geo-13-12

Geo-13-13    Geo-13-14

EVEN & ODD,  13 x 13 Grid

Two Color-Coded Groups  1,3,5,….   2,4,6,…..

Geo-13-EVEN-ODD-1       Geo-13-EVEN-ODD-2

Geo-13-EVEN-ODD-3       Geo-13-EVEN-ODD-4

Geo-13-EVEN-ODD-5       Geo-13-EVEN-ODD-6

Geo-13-EVEN-ODD-7       Geo-13-EVEN-ODD-8

FOUR YELLOW CELLS SUM TO 30

Geo-13-SUM-30-1     Geo-13-SUM-30-2

Geo-13-SUM-30-3     Geo-13-SUM-30-4

Geo-13-SUM-30-5     Geo-13-SUM-30-6

THREE YELLOW CELLS SUM TO 25

Geo-13-SUM-25-1     Geo-13-SUM-25-2

Geo-13-SUM-25-3     Geo-13-SUM-25-4

Geo-13-SUM-25-5     Geo-13-SUM-25-6

SEXTUPLETS, 13 x 13 Grid

Six Color Groups. Six Cells per Group

Geo-13-SEXTUPS-1      Geo-13-SEXTUPS-2

Geo-13-SEXTUPS-3      Geo-13-SEXTUPS-4

Geo-13-SEXTUPS-5      Geo-13-SEXTUPS-6