C11111333133313232233133313331333133313231333133313331121313311
>>
C1111133313331323223313331333133313331323133313331333112131331
<<
C11111333133313232233133313331333133313231333133313331121313313
>>
C11111333133313232233133313331333133313231333133313331121313312
>>