C21221212121211331313233313131133132333132313223313232233132213221
>>
C2122121212121133131323331313113313233313231322331323223313221322
<<
C21221212121211331313233313131133132333132313223313232233132213223
>>
C21221212121211331313233313131133132333132313223313232233132213222
>>