#define W(f,u,c,k) int f(){int n=N-u;printf(c);while(n--)printf(k);puts("");}
int N;W(A,0," "," ##")W(C,1,"#"," #")W(B,1," #"," #")int main(){scanf("%d",&N);A();B();C();C();C();B();A();}
Note that non-ascii characters in the above source code will be escaped (such as \x9f).