C312312111111331312111133133313331333133313231333132313331333132313231311211
>>
C31231211111133131211113313331333133313331323133313231333133313231323131121
<<
C312312111111331312111133133313331333133313231333132313331333132313231311213
>>
C312312111111331312111133133313331333133313231333132313331333132313231311212
>>