C111113331333132322331333133313331333133313121111121111112221211
>>
C11111333133313232233133313331333133313331312111112111111222121
<<
C111113331333132322331333133313331333133313121111121111112221213
>>
C111113331333132322331333133313331333133313121111121111112221212
>>