Explain this TC


#1

A : “ymain”
B : “oecij”
C : [ “ymann”, “yycrj”, “oecij”, “ymcnj”, “yzcrj”, “yycij”, “xecij”, “yecij”, “ymanj”, “yzcnj”, “ymain” ]

ymain->ymann->ymanj->ymcnj->yzcnj->yzcrj->yycrj->yycij->yecij->oecij

i think there are 9 transformations above. but expected output is 10.
can someone explain why??


#2

I don’t know why but they are counting the given word as the first step itself:- see here also the same