C1111233131211111211113313331333133313232321333133313331333131121232322131
>>
C111123313121111121111331333133313331323232133313331333133313112123232213
<<
C1111233131211111211113313331333133313232321333133313331333131121232322133
>>
C1111233131211111211113313331333133313232321333133313331333131121232322132
>>