Sentence:  Repeated permutation according to this reading order, which Messiaen explores in full in "Île de Feu," results in ten different <WSD>interversions</WSD> (as the last column in the table shows, the tenth <WSD>interversion</WSD> restores the chromatic pitches in their order from 1 to 12). 
Meaning of the word marked with <WSD> tags:  A composition technique in which a sequence of elements composed of notes or rhythms is repeated in permuted orders.