C11112331312111112111133133313331333133313123313331333131231212111111111
>>
C1111233131211111211113313331333133313331312331333133313123121211111111
<<
C11112331312111112111133133313331333133313123313331333131231212111111113
>>
C11112331312111112111133133313331333133313123313331333131231212111111112
>>