sumout cout
0X0 0
0X1 0
0X1 0
0X2 0
0X2 0
0X2 0
0X3 0
0X3 0
0X0 1
0X3 0
0X3 0
0X0 1
0X0 1
0X1 1
0X1 1
0X2 1
0X1 0
0X2 0
0X2 0
0X3 0
0X3 0
0X3 0
0X0 1
0X0 1
0X1 1
0X0 1
0X0 1
0X1 1
0X1 1
0X2 1
0X2 1
0X3 1
