C21221212121211331313233313131133132333132313223313113313231333132332313231121
>>
C2122121212121133131323331313113313233313231322331311331323133313233231323112
<<
C21221212121211331313233313131133132333132313223313113313231333132332313231123
>>
C21221212121211331313233313131133132333132313223313113313231333132332313231122
>>