#sg2

What does "sg2" mean?
school_games_2016

sg2-000 293 sg2-016 14476 sg2-014 10488 sg2-016🇸🇬 346 sg2-015 20162 sg2-013 4599 sg2-016trip 248 sg2-012 1803 sg2-020 144 sg2-010 340 sg2-k15 754 sg2-k16 776 sg2-009 130 sg2-05 296 sg2-00k 691 sg2-011 712 sg2-k14 352 sg2-83 171 sg2-00 161 sg2-12 114 sg2-015scene 139 sg2-7mc 322 sg2-105 100 sg2-be 109 sg2-02 607 sg2-uk 386 sg2-quared 197 sg2-s 347 sg2-ldndogs 156 sg2-0k 208 sg2-weareready 198 sg2-3 415