TM
E A A t B C D A t B C D t A
A B C t A t B C D A A B
A t B C D E A t A t t t
A B C t A B t A B C D E
D t A t
A TM TM A TM B C D t
A B A B C A C A A t A t B C A
A A B A B C A B C A t TM
A A