C111123313121111121111331333133313331333131121133133313331333133313223331211331   >>    C11112331312111112111133133313331333133313112113313331333133313331322333121133   <<    C111123313121111121111331333133313331333131121133133313331333133313223331211333   >>      C111123313121111121111331333133313331333131121133133313331333133313223331211332   >>