C11231323321111331312111133133313331323132313331333132313233113111
>>
C1123132332111133131211113313331333132313231333133313231323311311
<<
C11231323321111331312111133133313331323132313331333132313233113113
>>
C11231323321111331312111133133313331323132313331333132313233113112
>>