C11111211113313112113313331333133313231311331333133312111133223131
>>
C1111121111331311211331333133313331323131133133313331211113322313
<<
C11111211113313112113313331333133313231311331333133312111133223133
>>
C11111211113313112113313331333133313231311331333133312111133223132
>>