C11111211113313112113313331333133313231311331333121211113313231123332211
>>
C1111121111331311211331333133313331323131133133312121111331323112333221
<<
C11111211113313112113313331333133313231311331333121211113313231123332213
>>
C11111211113313112113313331333133313231311331333121211113313231123332212
>>