1 to 10 lottery software

As shown in the figure, C2 formula:

= LARGE(IF(COUNTIF(c $ 1:c 1，ROW($ 1:$30))=0，ROW($ 1:$30)，RANDBETWEEN( 1，3 1-ROW(a 1)))

Array formula, CTRL+SHIFT+ Enter, drop down;