B33113313132313113313223313331323132313331313232233132323213113121   >>    B3311331313231311331322331333132313231333131323223313232321311312   <<    B33113313132313113313223313331323132313331313232233132323213113123   >>      B33113313132313113313223313331323132313331313232233132323213113122   >>