4 4 4
R 1 1
C 3 4
R 2 2
R 1 1

4 4
R 1 1
C 3 4
R 2 2
R 1 1

4
R 1 1
C 3 4
R 2 2
R 1 1

R 1 1
C 3 4
R 2 2
R 1 1

8
10 12 14 32: 0 4
16 18 20 32: 1 4
22 24 26 32: 2 4
28 30 32 32: 3 4
3 3 0 2