C11111211113313112113313331333133313331312111113331333112331211
>>
C1111121111331311211331333133313331333131211111333133311233121
<<
C11111211113313112113313331333133313331312111113331333112331213
>>
C11111211113313112113313331333133313331312111113331333112331212
>>