C111123313121111121111331333133313331333133313331333133112111133132321   >>    C11112331312111112111133133313331333133313331333133313311211113313232   <<    C111123313121111121111331333133313331333133313331333133112111133132323   >>      C111123313121111121111331333133313331333133313331333133112111133132322   >>