C33331211113313331211113313331333133313223313311211111133132322332211231   >>    C3333121111331333121111331333133313331322331331121111113313232233221123   <<    C33331211113313331211113313331333133313223313311211111133132322332211233   >>      C33331211113313331211113313331333133313223313311211111133132322332211232   >>