C1111233131211111211113313331333133313331311211331333133313331333233221331
>>
C111123313121111121111331333133313331333131121133133313331333133323322133
<<
C1111233131211111211113313331333133313331311211331333133313331333233221333
>>
C1111233131211111211113313331333133313331311211331333133313331333233221332
>>