B3311331313231311331322331333132313132313331323223313223313331123311   >>    B331133131323131133132233133313231313231333132322331322331333112331   <<    B3311331313231311331322331333132313132313331323223313223313331123313   >>      B3311331313231311331322331333132313132313331323223313223313331123312   >>