Flash Magisk 16.7. its work.After flashing magisk (16.0) the phone (x722) does not boot sadly
Tried without flashing magisk and everything is fine
In this order
Flash Rom.
Flash Gapps (Open Nano)
Flash Magisk 16.7
Reboot System
Device will reboot by itself twice before show configuration.
After configuration via magisk flash permisive Linux, reboot and then (via Magisk) flash Viper if you want.