C1111121111331311211331333133313113313331333133313221211111211121
>>
C111112111133131121133133313331311331333133313331322121111121112
<<
C1111121111331311211331333133313113313331333133313221211111211123
>>
C1111121111331311211331333133313113313331333133313221211111211122
>>