Sharing glasses of juice

Can you help Mobi to share the cups so that he has 7 cups on each tray and all trays with the same amount of juice? Just drag the glasses to start.
Adapted from [url=https://portaldosaber.obmep.org.br/index.php/site/index?a=4]Quebra-cabeças de Matemática para o Ensino Fundamental[/url], by [url=http://www.obmep.org.br/indexx.htm]OBMEP[/url].

Information: Sharing glasses of juice