D12121212121313232233132332313233313132322331323231323132333221   >>    D1212121212131323223313233231323331313232233132323132313233322   <<    D12121212121313232233132332313233313132322331323231323132333223   >>      D12121212121313232233132332313233313132322331323231323132333222   >>