b2egp c2egpb d2eg e2egp f2egpb
0sfgpb 1sfg 2sfgp 3sfgpb 4sfg
pjgg qjggp rjggpb sjgg tjggp
eahgp fahgpb gahg hahgp iahgpb
30hgpb 40hg 50hgp 60hgpb 70hg