A B C R
0 0 0 1
0 0 1 2
0 0 2 3
0 1 0 4
0 1 1 5
0 1 2 6
0 2 0 7
0 2 1 8
0 2 2 9
1 0 0 10
1 0 1 11
1 0 2 12
1 1 0 13
1 1 1 14
1 1 2 15
1 2 0 16
1 2 1 17
1 2 2 18
2 0 0 19
2 0 1 20
2 0 2 21
2 1 0 22
2 1 1 23
2 1 2 24
2 2 0 25
2 2 1 26
2 2 2 27