C111123313331323113313331333133313121111133112121111331311211331211
>>
C11112331333132311331333133313331312111113311212111133131121133121
<<
C111123313331323113313331333133313121111133112121111331311211331213
>>
C111123313331323113313331333133313121111133112121111331311211331212
>>