91dgb1 a2dg b2dgb c2dgb1 d2dg
yseg zsegb 0segb1 1seg 2segb
njfgb ojfgb1 pjfg qjfgb rjfgb1
caggb1 dagg eaggb faggb1 gagg
10gg 20ggb 30ggb1 40gg 50ggb