C1111133313331323223313331333133313113313121111133313231123312121
>>
C111113331333132322331333133313331311331312111113331323112331212
<<
C1111133313331323223313331333133313113313121111133313231123312123
>>
C1111133313331323223313331333133313113313121111133313231123312122
>>