Sparky_Master_WCH1226 (6 grade, 6 attempts left) IOI 2021 unofficial absolute winner, IMO 2021 unofficial gold
Sparky_WCH_Master1226 (12 grade, 0 attempts left) IOI 2018, 2019, 2020, 2021 unofficial gold
petrwuyihong (12 grade, 0 attempts left) IOI 2021 unofficial silver
Lotus (3 grade, 9 attempts left) IOI 2021 unofficial gold
It is first Botswana's IOI official team, good luck them!