D12121212121313233313123231323223313132322331323132233133313133112112331   >>    D1212121212131323331312323132322331313232233132313223313331313311211233   <<    D12121212121313233313123231323223313132322331323132233133313133112112333   >>      D12121212121313233313123231323223313132322331323132233133313133112112332   >>