B33113313132313113313223313331323131323133313232233132322132313123121   >>    B3311331313231311331322331333132313132313331323223313232213231312312   <<    B33113313132313113313223313331323131323133313232233132322132313123123   >>      B33113313132313113313223313331323131323133313232233132322132313123122   >>