B33113313132313113313223313331323231333132322331333112211231231231   >>    B3311331313231311331322331333132323133313232233133311221123123123   <<    B33113313132313113313223313331323231333132322331333112211231231233   >>      B33113313132313113313223313331323231333132322331333112211231231232   >>