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At her audition for the School of American Ballet at 15, she kept tossing off �ڴdzܱ�ٳ�é turns despite a burst blister that was bleeding through her toe shoe.

At the other extreme, more traditional displays of virtuosity ring out like alarms, as when Preston Chamblee whips through a series of �ڴdzܱ�ٳ�é turns, or when Ruby Lister, a striking new corps member, commands the stage alone with alert, springing jumps.

They have mastered the virtuoso sequence of 32 �ڴdzܱ�ٳ�é turns on pointe that bedevils even experienced ballerinas — and they like to add a bravura male step called a double tour to the knee at the end for good measure.

Boylston matched him with �ڴdzܱ�ٳ�é turns so fast you could almost feel the breeze.

Whirling through her whipping �ڴdzܱ�ٳ�é turns as the predatory Odile in the third act, could she have kept spinning till spring?