B3311331313231311331322331333132313331322331323133313331331123111112231   >>    B331133131323131133132233133313231333132233132313331333133112311111223   <<    B3311331313231311331322331333132313331322331323133313331331123111112233   >>      B3311331313231311331322331333132313331322331323133313331331123111112232   >>