A.1,2 B.3,4 C.51,61 D.71,81
A.3 B.4 C.5 D.6
A.57 B.58 C.59 D.60
A.+0.2~+0.8V B.+0.2~+1.0V C.+0.2~+1.2V D.+0.2~+1.4V
A.1Ω B.2Ω C.3Ω D.4Ω