B3311331313231311331322331333132313331322331323133313331311222212231   >>    B331133131323131133132233133313231333132233132313331333131122221223   <<    B3311331313231311331322331333132313331322331323133313331311222212233   >>      B3311331313231311331322331333132313331322331323133313331311222212232   >>