C312312111133131212111133133313231333133313331333121111112211231111
>>
C31231211113313121211113313331323133313331333133312111111221123111
<<
C312312111133131212111133133313231333133313331333121111112211231113
>>
C312312111133131212111133133313231333133313331333121111112211231112
>>