B33113313132313113313223313331323133313232322331333133313112113121111333121   >>    B3311331313231311331322331333132313331323232233133313331311211312111133312   <<    B33113313132313113313223313331323133313232322331333133313112113121111333123   >>      B33113313132313113313223313331323133313232322331333133313112113121111333122   >>