C111123313121111121111331333133313331333133313331333132313331333132322211121   >>    C11112331312111112111133133313331333133313331333133313231333133313232221112   <<    C111123313121111121111331333133313331333133313331333132313331333132322211123   >>      C111123313121111121111331333133313331333133313331333132313331333132322211122   >>