C111123313121111121111331333133313331333132232233131211113313231133231   >>    C11112331312111112111133133313331333133313223223313121111331323113323   <<    C111123313121111121111331333133313331333132232233131211113313231133233   >>      C111123313121111121111331333133313331333132232233131211113313231133232   >>