The kind of 123 on the English paper How do you write it? Not one two three Which one is on the test paper

Those are roman numbers,
Ⅰ 1
Ⅱ 2
Ⅲ 3
Ⅳ 4
Ⅴ 5
Ⅵ 6
Ⅶ 7
Ⅷ 8
Ⅸ 9
Ⅹ 10

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