For all who are also curious, here are all the hands from Nauto's last rasengan in order :
4. Ino, Shikamaru and Chouji
5. Kiba, Shino and Hinata
6. Tenten, Lee, 8th gate Guy, and Neji
7. Bee, Gaara, Tsunade, Raikage, Mizukage and Tsuchikage
8. Third Hokage, Konohamaru and Iruka
9. Yamato and Sai
And Sasuke's chidori obviously had Itachi's hand behind it... Dope episode btw... Man I'm gonna miss this!!!