Class 4, !BM Waitlist Class, Class all PO selected sell individual sessions can be paid online/when visit, Class only passes selected sell individual sessions must be paid online, Class hide aplicaple PO for the client all PO are selected sell individual sessions, Yuliia class, !BM block event(Sep 13, 2020 - Sep 20, 2020), !BM block event(Jui 3, 2024 - Jui 26, 2024), !BM block event(Oct 21, 2024 - Oct 25, 2024), !BM block event(Déc 4, 2024 - Déc 14, 2024)