If number Y does not respond with "Who sir me sir?" before the leader finishes his last line, number Y moves to the end of the line.
ɪf nˈʌmbɚ wˈaɪ dʌznˌɑːt ɹᵻspˈɑːnd wɪð "hˈuː sˌɜː mˌiː sˌɜː?" bᵻfˌoːɹ ðə lˈiːdɚ fˈɪnɪʃᵻz hɪz lˈæst lˈaɪn, nˈʌmbɚ wˈaɪ mˈuːvz tə ðɪ ˈɛnd ʌvðə lˈaɪn.