C212212121212113313132333131311331323331323132233131133131333221
>>
C21221212121211331313233313131133132333132313223313113313133322
<<
C212212121212113313132333131311331323331323132233131133131333223
>>
C212212121212113313132333131311331323331323132233131133131333222
>>