B3311331313231311331322331333132313232233132313133313331323222223331   >>    B331133131323131133132233133313231323223313231313331333132322222333   <<    B3311331313231311331322331333132313232233132313133313331323222223333   >>      B3311331313231311331322331333132313232233132313133313331323222223332   >>