stack all kds stars together like which are shot by one to reduce the spacing cost, then change the kds colour by the total amount. for example:
1st - 3th : plat white
4th - 5th : pink
6th - 9th : blue
10th+ : gold
1st - 3th : plat white
4th - 5th : pink
6th - 9th : blue
10th+ : gold