# Project : Rep-string test = ["1001110011", "1110111011", "0010010010", "1010101010", "1111111111", "0100101101", "0100100", "101", "11", "00", "1"] for n = 1 to len(test) strend = "" for m=1 to len(test[n]) strbegin = substr(test[n], 1, m) strcut = right(test[n], len(test[n]) - m) nr = substr(strcut, strbegin) if nr=1 and len(test[n]) > 1 strend = strbegin ok next if strend = "" see "" + test[n] + " -> (none)" + nl else see "" + test[n] + " -> " + strend + nl ok next