ðə ɡˈæps bᵻtwˌiːn zˈiəɹoʊ zˈiəɹoʊ ænd zˈiəɹoʊ θɹˈiː, zˈiəɹoʊ θɹˈiː ænd fˈaɪv ænd ɪlˈɛvən ænd θˈɜːtiːn ɑːɹ ðɛɹ tə sˈɪɡnᵻfˌaɪ ɐ lˈɑːɹdʒɚ dˈɪfɹəns bᵻtwˌiːn ðoʊz ɡɹˈeɪdz.
The gaps between 00 & 03, 03 & 5 and 11 & 13 are there to signify a larger difference between those grades.