C111123313121111121111331333133313331333133313331333133313331322121123121   >>    C11112331312111112111133133313331333133313331333133313331333132212112312   <<    C111123313121111121111331333133313331333133313331333133313331322121123123   >>      C111123313121111121111331333133313331333133313331333133313331322121123122   >>