C1111233131211111211113313331333133313331333133313331333133313331333222333111
>>
C111123313121111121111331333133313331333133313331333133313331333133322233311
<<
C1111233131211111211113313331333133313331333133313331333133313331333222333113
>>
C1111233131211111211113313331333133313331333133313331333133313331333222333112
>>