C111123313121111121111331333133313331323221211113313113313331131211221133231   >>    C11112331312111112111133133313331333132322121111331311331333113121122113323   <<    C111123313121111121111331333133313331323221211113313113313331131211221133233   >>      C111123313121111121111331333133313331323221211113313113313331131211221133232   >>