B3311331313231311331322331333132313331322331323133313331333232133131   >>    B331133131323131133132233133313231333132233132313331333133323213313   <<    B3311331313231311331322331333132313331322331323133313331333232133133   >>      B3311331313231311331322331333132313331322331323133313331333232133132   >>