B33113313132313113313223313331323133313132212111133112331323221121   >>    B3311331313231311331322331333132313331313221211113311233132322112   <<    B33113313132313113313223313331323133313132212111133112331323221123   >>      B33113313132313113313223313331323133313132212111133112331323221122   >>