2 16 4

0       8
0       8
1       9
1       9
2       10
2       10
3       11
3       11
4       12
4       12
5       13
5       13
6       14
6       14
7       15
7       15

0       3
3       0
1       2
2       1
1       2
2       1
0       3
3       0
2       1
1       2
3       0
0       3
3       0
0       3
2       1
1       2



GM1o2_16=[1+D+D^4  1+D^2+D^3+D^4 ] = [25,23] (decimal)