2) Let M be the Turing machine defined by (q0,)=(q1,,R),(q1,)=(q2,,L),(q1,a)=(q1,a,R),(q1,b)=(q1,c,R),(q1,c)=(q1,c,R),(q2,a)=(q2,c,L),(q2,c)=(q2,b,L), a) Trace the computation for the input string aabca. b) Trace the computation for the input string bcbc. c) Describe the result of a computation in M