C123213232213233231323132313132313113313132313231333132313331323222321131
>>
C12321323221323323132313231313231311331313231323133313231333132322232113
<<
C123213232213233231323132313132313113313132313231333132313331323222321133
>>
C123213232213233231323132313132313113313132313231333132313331323222321132
>>