C212212121212113313132333131311331311331323131113331323331313221
>>
C21221212121211331313233313131133131133132313111333132333131322
<<
C212212121212113313132333131311331311331323131113331323331313223
>>
C212212121212113313132333131311331311331323131113331323331313222
>>