A="123456789qwertyuiouyhbv"?
B=strcon(A,A)?
C=strcon(B,B)?
D=strcon(C,C)?
gc?
E=strcon(D,D)?
gc?
F=strcon(E,E)?
gc?
G=strcon(F,F)?
gc?
H=strcon(G,G)?
gc?
I=strcon(H,H)?
gc?










A="x"?
B=strcon("a",strcon(A,A))?
C=strcon("",strcon(B,B))?
D=strcon("",strcon(C,C))?
gc?
E=strcon("tte",strcon(D,D))?
gc?
F=strcon("",strcon(E,E))?
gc?
G=strcon("as",strcon(F,F))?
gc?
H=strcon("",strcon(G,G))?
gc?
I=strcon("x",strcon(H,H))?
gc?











