B3311331313231311331322331333132333131111211331323132233132322321   >>    B331133131323131133132233133313233313111121133132313223313232232   <<    B3311331313231311331322331333132333131111211331323132233132322323   >>      B3311331313231311331322331333132333131111211331323132233132322322   >>