C3132121111331312113313331333121111331333132313113313231323221211
>>
C313212111133131211331333133312111133133313231311331323132322121
<<
C3132121111331312113313331333121111331333132313113313231323221213
>>
C3132121111331312113313331333121111331333132313113313231323221212
>>