B33113313132313113313223313331323131323133313232233132322133313231121121   >>    B3311331313231311331322331333132313132313331323223313232213331323112112   <<    B33113313132313113313223313331323131323133313232233132322133313231121123   >>      B33113313132313113313223313331323131323133313232233132322133313231121122   >>