C111123313121111121111331333133313331323232133313331331123223332321311   >>    C11112331312111112111133133313331333132323213331333133112322333232131   <<    C111123313121111121111331333133313331323232133313331331123223332321313   >>      C111123313121111121111331333133313331323232133313331331123223332321312   >>