B3311331313231311331322331333132322331323111133133313231323123231   >>    B331133131323131133132233133313232233132311113313331323132312323   <<    B3311331313231311331322331333132322331323111133133313231323123233   >>      B3311331313231311331322331333132322331323111133133313231323123232   >>