D12121212121313233313123231323223313132322331323223313113313221   >>    D1212121212131323331312323132322331313232233132322331311331322   <<    D12121212121313233313123231323223313132322331323223313113313223   >>      D12121212121313233313123231323223313132322331323223313113313222   >>