A B C D R
0 0 0 0 1
0 0 1 1 2
0 0 2 2 3
0 1 0 2 4
0 1 1 0 5
0 1 2 1 6
0 2 0 1 7
0 2 1 2 8
0 2 2 0 9
1 0 0 2 1 
1 0 1 0 2
1 0 2 1 3
1 1 0 1 4
1 1 1 2 5
1 1 2 0 6
1 2 0 0 7
1 2 1 1 8
1 2 2 2 9
2 0 0 1 1
2 0 1 2 2
2 0 2 0 3
2 1 0 0 4
2 1 1 1 5
2 1 2 2 6
2 2 0 2 7
2 2 1 0 8
2 2 2 1 9