D12121212121313232233132332313231323133313233313113313232212323223311   >>    D1212121212131323223313233231323132313331323331311331323221232322331   <<    D12121212121313232233132332313231323133313233313113313232212323223313   >>      D12121212121313232233132332313231323133313233313113313232212323223312   >>