d''' 1 plain steel

cis''' 2 plain steel

c''' 3 plain steel

h'' 4 plain steel

b'' 5 plain steel

a'' 6 plain steel

gis'' 7 plain steel

g'' 8 plain steel

fis'' 9 plain steel

f'' 10 plain steel

e'' 11 plain steel

dis'' 12 plain steel

d'' 13 plain steel

cis'' 14 plain steel

c'' 15 plain steel

h' 16 plain steel

b' 17 plain steel

a' 18 plain steel

gis' 19 plain steel

g' 20 plain steel