middle edge U perm (37)
u 2-3r2 u' 2-3r2 u2 2-3r u2 2-3r2 u 2-3r2 u' 2-3r2 u' 2-3r2 u2 2-3r u2 2-3r2 u2 2-3r2 u2 2-3r' u2 2-3r2 u' 2-3r2 u 2-3r2 u 2-3r2 u2 2-3r' u2 2-3r2 u' 2-3r2 u'

every wing 3 cycle - at least 43