D13133313221323331323331323123123233313232233131133132312111121   >>    D1313331322132333132333132312312323331323223313113313231211112   <<    D13133313221323331323331323123123233313232233131133132312111123   >>      D13133313221323331323331323123123233313232233131133132312111122   >>