C11111211113313112113313331333131133133313112211211111323112121
>>
C1111121111331311211331333133313113313331311221121111132311212
<<
C11111211113313112113313331333131133133313112211211111323112123
>>
C11111211113313112113313331333131133133313112211211111323112122
>>