Group of tags from group 1. For example, in a code of 6 colors for bird tag, tags from 1 to 3 belongs to the left leg, and tags from 1 to 3 belongs to the right. g1 must to address the left leg, and g2 must to address right leg. Thus: "g1=1:3" and "g2=4:6".
g2
Group of tags from group 2. For example, in a code of 6 colors for bird tag, tags from 1 to 3 belongs to the left leg, and tags from 1 to 3 belongs to the right. g1 must to address the left leg, and g2 must to address right leg. Thus: "g1=1:3" and "g2=4:6".