C111123313331323113313331333133313121111133112121111331323112111
>>
C11112331333132311331333133313331312111113311212111133132311211
<<
C111123313331323113313331333133313121111133112121111331323112113
>>
C111123313331323113313331333133313121111133112121111331323112112
>>