B3311331313231311331322331333132313331322331323133313331333133313331122221231   >>    B331133131323131133132233133313231333132233132313331333133313331333112222123   <<    B3311331313231311331322331333132313331322331323133313331333133313331122221233   >>      B3311331313231311331322331333132313331322331323133313331333133313331122221232   >>