User blog comment:LittlePeng9/Random Turing machines/@comment-5150073-20130419200008/@comment-1605058-20130419204830

First, there must be space between x's and hydras. Second, when we switch parenthesis direction (i.e. ( to ) or vice versa) there must be space to. e.g. xxx.

Right now I found a problem with deleting 0 label above omega label.