M2 U M U2 M2 U2 M U' M2
9 moves no adjustment at end the first U done with left index like Ua perm and M moves with left hand, for right hand just swap the U and U'
While messing around with the Ua perm discovered this Z perm alg, 9 moves, no U2 adjustment at the end of the alg M2 U M U2 M2 U2 M U' M2 the first U move done with left index finger like the standard Ua fingertrick and the M moves are done with left hand