42:45 Ikiwa A na B yana nne sawa nafasi ndogo, basi yana upungufu sawa umbo la echeloni ya safu.####[['A', 'Mathematical_Related_Concept', 'NEU'], ['B', 'Mathematical_Related_Concept', 'NEU'], ['nafasi ndogo', 'Mathematical_Related_Concept', 'NEU'], ['umbo la echeloni ya safu', 'Mathematical_Related_Concept', 'NEU']]