his building is based on the Rubik's Cube." "A Zi firmly opened his mouth," if you regard each room as a small cube on the Rubik's cube, then the whole three buildings are actually an irregular Rubik'...rlin did not answer. He glanced gently out of the window, raised his palm, and the silver carriage stopped slowly.Merlin held out her hand, pointed to a broken palace stained with blood outside the wi...