C1111233131211111211113313331333133313232321333133313331333131133112211223321
>>
C111123313121111121111331333133313331323232133313331333133313113311221122332
<<
C1111233131211111211113313331333133313232321333133313331333131133112211223323
>>
C1111233131211111211113313331333133313232321333133313331333131133112211223322
>>