B3311331313231311331322331333131133133313111333133313331323222233131   >>    B331133131323131133132233133313113313331311133313331333132322223313   <<    B3311331313231311331322331333131133133313111333133313331323222233133   >>      B3311331313231311331322331333131133133313111333133313331323222233132   >>