(2 pieces of preferential combination = 69.9 yuan) Choose 2 t-shirts, take a note 221 black-221 white 221 black-221 blue 221 white-221 blue 221 black-250 black 221 black-250 white 221 black-250 221 white-250 black 221 white-250 white 221 white-250 navy 221 black-221 black-289 black 221 black-289 white 221 black-289 navy 221 white-289 black 221 white-289 white 221 white-289 navy 250 black-289 black 250 black-289 white 250 black-289 navy 250 white-289 black 250 white-289 white 250 white-289 white 250 white-289 navy