C21221212121211331313233313131133132333132313223313231232313221
>>
C2122121212121133131323331313113313233313231322331323123231322
<<
C21221212121211331313233313131133132333132313223313231232313223
>>
C21221212121211331313233313131133132333132313223313231232313222
>>