4
0
1
0
4 R1 + R3
0
4
1
16
4 R2 + R3
0
0
1
4
2
0
0
1
2
1 R4 + R3
4
0
0
4
6 1

2		R1
0
4
0
20
6 1

2		R2
0
0
1
4
2
0
0
0
2
3
2
0
0
2
3 R1R4
0
2
0
10
3 R25 R4
0
0
1
4
2 R32 R4
0
0
0
2
3
2
0
0
0
0 1

2		R1
0
2
0
0
12 1

2		R2
0
0
1
0
4
0
0
0
2
3