C33331211113313331211113313331333133313223133112111133132322333223311231   >>    C3333121111331333121111331333133313331322313311211113313232233322331123   <<    C33331211113313331211113313331333133313223133112111133132322333223311233   >>      C33331211113313331211113313331333133313223133112111133132322333223311232   >>