B33113313132313113313223313331323133313232233121133133313331123121   >>    B3311331313231311331322331333132313331323223312113313331333112312   <<    B33113313132313113313223313331323133313232233121133133313331123123   >>      B33113313132313113313223313331323133313232233121133133313331123122   >>