-C -f {4. Duo/4. Duo} b c x "+ 0 a 1 a 1 a b 1 d #2 a x c 2 d #3 a x c #3 d xa xc xe b 1f a #2c xe 2f a #3e xc #3a x d x c x a b #2 cd x a x c x d #2a "+ x d x c x a b b 1 ac #2 c x a 2 ac "+ #3 c x a #3 c x d x a x c b #2 da c x a "+ x da x c #2 a x "+ e x a x c b #2 de x c x d "+ x a #2 cd c x e x "+ a x c b #2 a ce x e "+ x a x c #2 da c x c x "+a "+ x c b b 2ac "+ a #3 d x a #3 c x d xa xc #3d xc xa x d #3 c x a x c x d b 1 cd a 1 c #2 a a d x d "+ 1a c b #2 d x d "+ x c x a #2 ee c x c "+ x e x a b #2 cdc "+ x a 1 daac #2 d x d "+ x c x a b #2 ee c x a 1 cdca #2 daac x c 1 abc a b 1 aa ec 1 e #2 aa c x c "+ x d xa b b #2c "+ x a xea e x c #2 a xc 1a c b 1 d 1 df 1 c 1c e b #2 df c x c "+ x d x "+ e #2 aa x c 1 d e b 1 c c #2 a x a 1 dce 1 da ac b 1c 1fc 1ea #2c x d b 1 "+ c 1b 1c a c #2 a x c b 1a d e 1 a ac #2 d x c 1 ca a b b 1 a a d 1 a c #2 ee c x c x e x a b #2 cd a x d xa x c 2 da c #3 a x c #3 d x c x a x d b 1 acc 1 a #2 a x c x d e x a b 1 c a 1 a c 1 da c 1 c b 1 dce 1 c #2 ac x a 1 a a b b 2 a ce #3 d x a #3 c x a x c x d #2 a ac x c x d x a b #2 c x d 1 cdca #2 daac x c "+ 1 abc a b 1 aa ec 1 e "+ #2 aabc x c "+ x b x e b #2 aabc x c x aa "+ x b #2aa c a x b x c x a b #2a b x c x ab d x a #2 aa c xa "+ x e x c b Y efec b b e