C21221212121211331313233313131133132333132313223313231323132321121
>>
C2122121212121133131323331313113313233313231322331323132313232112
<<
C21221212121211331313233313131133132333132313223313231323132321123
>>
C21221212121211331313233313131133132333132313223313231323132321122
>>