B3311331313231311331322331333132333133313132233133313233313231323331323132321   >>    B331133131323131133132233133313233313331313223313331323331323132333132313232   <<    B3311331313231311331322331333132333133313132233133313233313231323331323132323   >>      B3311331313231311331322331333132333133313132233133313233313231323331323132322   >>