C23221211113313331233133313331312111112111133313331333131133121121
>>
C2322121111331333123313331333131211111211113331333133313113312112
<<
C23221211113313331233133313331312111112111133313331333131133121123
>>
C23221211113313331233133313331312111112111133313331333131133121122
>>