C11111211113313112113313331333133313331333132322121111121111331333131121132211
>>
C1111121111331311211331333133313331333133313232212111112111133133313112113221
<<
C11111211113313112113313331333133313331333132322121111121111331333131121132213
>>
C11111211113313112113313331333133313331333132322121111121111331333131121132212
>>