C212212121212113313221323131323131323132322331323132233132311312131
>>
C21221212121211331322132313132313132313232233132313223313231131213
<<
C212212121212113313221323131323131323132322331323132233132311312133
>>
C212212121212113313221323131323131323132322331323132233132311312132
>>