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thirty
☊
ba chục
☊
thirty
☊
ba mươi
☊
Thirty
☊
Dreißig
☊
< 4.39 Vier und mehr
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thirty ☊ 
ba chục ☊ thirty ☊ ba mươi ☊ Thirty ☊ 
Dreißig ☊ < 4.39 Vier und mehr