Markdown sequence & flow

st=>start: 开始 e=>end: 结束 op=>operation: 我的操作 cond=>condition: 确认？ st->op->cond cond(yes)->e cond(no)->op{"theme":"simple","scale":1,"line-width":2,"line-length":50,"text-margin":10,"font-size":12}st=>start: Start|past:>http://www.google.com[blank] e=>end: End:>http://www.google.com op1=>operation: My Operation|past op2=>operation: Stuff|current sub1=>subroutine: My Subroutine|invalid cond=>condition: Yes or No?|approved:>http://www.google.com c2=>condition: Good idea|rejected io=>inputoutput: catch something...|request st->op1(right)->cond cond(yes, right)->c2 cond(no)->sub1(left)->op1 c2(yes)->io->e c2(no)->op2->e{"theme":"simple","scale":1,"line-width":2,"line-length":50,"text-margin":10,"font-size":12}张三->李四: 嘿，小四儿, 写博客了没? Note right of 李四: 李四愣了一下，说： 李四-->张三: 忙得吐血，哪有时间写。{"theme":"simple","scale":1,"line-width":2,"line-length":50,"text-margin":10,"font-size":12}Alice->Bob: Hello Bob, how are you? Note right of Bob: Bob thinks Bob-->Alice: I am good thanks!{"theme":"simple","scale":1,"line-width":2,"line-length":50,"text-margin":10,"font-size":12}