Move four names from purgatory: 2 to heaven and 2 to hell. After the first round, continue to repeat that pattern but move two names back to purgatory: 1 from heaven and 1 from hell.
Heaven:
Purgatory:
Gianna Rosalia Kirilee
Winter Gemma Janelle Dawn Tonya Anya Carina Thalia Frida Ivy Ksenia Maris Giselle Zinnia Piper
Hell: