C11231323321111331312111133133313331323223313231333131133132211111
>>
C1123132332111133131211113313331333132322331323133313113313221111
<<
C11231323321111331312111133133313331323223313231333131133132211113
>>
C11231323321111331312111133133313331323223313231333131133132211112
>>