D12121323331313133313233313121111331323221323133313232213232223321   >>    D1212132333131313331323331312111133132322132313331323221323222332   <<    D12121323331313133313233313121111331323221323133313232213232223323   >>      D12121323331313133313233313121111331323221323133313232213232223322   >>