/* Problem 44 */
	    #include <iostream>
	    using namespace std;
	    #include <string.h>

	    class spinner {
		char *s;
		int n;
		void init(const char str[]) {
		    s = new char[strlen(str) + 1]; // Assume this succeeds
		    if (s) strcpy(s, str);
		    n = 0;
		}
	      public:
		spinner() { init("xyz"); }
		spinner(const char s[]) { init(s); }
		~spinner() { if (s) delete [] s; }
		void operator++() { 
		    if (s) {
			char t = s[n];
			s[n] = s[strlen(s) - (n + 1)]; 
			s[strlen(s) - (n + 1)] = t;
			n++;
			if (((2 * n) + 1) == strlen(s))
			    n++;
			if (n >= strlen(s))
			    n = 0;
		    }
		}
		friend ostream &operator<<(ostream &, spinner &);
	    };

	    ostream &operator<<(ostream &os, spinner &f) {
		for (int i = 0; i < strlen(f.s); i++) {
		    os << f.s << '\n';
		    ++f;
		}
		return os;
	    }

	    int main() {
		spinner f1, f2("YzZuF");
		cout << f1 << "-----\n" << f2;
		return 0;
	    }