B33113313132313113313223313331323133313223313231333132322112132313231121   >>    B3311331313231311331322331333132313331322331323133313232211213231323112   <<    B33113313132313113313223313331323133313223313231333132322112132313231123   >>      B33113313132313113313223313331323133313223313231333132322112132313231122   >>