1from lcapy import R, L, C
2
3Za = R(1)
4Zb = R(1)
5Zc = R(1)
6Zd = R(1)
7Ze = R(1)
8Zf = R(1)
9
10H1 = Zf.ladder(Ze)
11
12H2 = Zf.ladder(Ze, Zd, Zc)
13
14H3 = Zf.ladder(Ze, Zd, Zc, Zb, Za)
15