B33113313132313113313223313331323133313222233132313331333112323221   >>    B3311331313231311331322331333132313331322223313231333133311232322   <<    B33113313132313113313223313331323133313222233132313331333112323223   >>      B33113313132313113313223313331323133313222233132313331333112323222   >>