0.00/0.25 NO 0.00/0.25 Loop of length 2 starting with a string of length 3 using right expansion 0.00/0.25 and the encoding {a=a, b=b, c=c}: 0.00/0.25 0.00/0.25 .c.bc 0.00/0.25 rule c ->= cba at position 0 0.00/0.25 .cba.bc 0.00/0.25 rule abc -> c at position 2 0.00/0.25 .cbc. 0.00/0.29 EOF